Aluminocerite-(Ce) xx

Casette Quarry, Montoso, Ortieul, Infernotto Valley, Cuneo, Piedmont / Italy; pale pinkish glassy crystals of 0,5 mm very rich on vugs in Granite matrix; KS 38,00

Angastonite xx

Penrice Quarry, Angaston, Barossa Valley, North Mt Lofty Range, South Australia / Australia / TYP; white longprismatic crystals of 1 mm, very rich on vugs in brownish Limonite matrix. Very good specimens of this new rare Phosphate; MM 75,00; KS 125,00

Ankangite (xx)

Corinto, Curvelo, Minas Gerais, Brazil; black needle-like acicular crystals of 5 mm in colorless Quartz; MM 38,00; KS 65,00

Antlerite xx

Heinrich Mine, Planitz, Zwickau, Saxony / Germany; highly lustrous green crystals intergrown to radial aggregates of 2 mm, very rich on tan schist rock matrix. Antlerite from Germany is very uncommon; KS 19,00; NS 28,00

Arisite-(Ce) xx
IMA 2009-013

Mont Saint-Hilaire, Montérégie, Montreal, Québec / Canada / TYP; tan silky mica-like crystal aggregates of 1 mm with some orange-brown Kentbrooksite crystals on vugs in Syenite matrix; MM 85,00; KS 125,00

Autunite xx

Johanngeorgenstadt, Erzgebirge, Saxony / Germany; greenish-yellow tabular crystals of 5 mm very rich on vugs in Quartz matrix. Historic old specimens; KS 38,00; NS 65,00

Bassetite xx

Weißer Hirsch Mine, Schneeberg, Erzgebirge, Saxony / Germany; pale brownish tabular crystals of 1 mm as lamellar intergrowths with greenish-yellow Saleeite crystals (Type-location for Saleeite) very rich on matrix; MM 38,00; KS 65,00

Bauranoite (xx)

Oktyabr'skoe, Krasnokamensk, Transbaikalia, Eastern Siberia / Russia / TYP; orange-brown glassy aggregates in reddish-brown Felsite matrix; small MMs 48,00

Bismutoferrite (xx)

Weißer Hirsch Mine, Schneeberg, Erzgebirge, Saxony / Germany / TYP; "Pseudomorph after Feather-Bismuth". Feather-like aggregates up to 1 cm of pale-olive-green micro crystalline Bismutoferrite together with pale yellow Bismutite; KS 38,00; NS 65,00

Blixite xx

Langban,Värmland / Sweden / TYP; pale yellow silky crystal aggregates very rich in Calcite-Braunite matrix;
Capsule 19,00; MM 48,00; KS 125,00

Bobkingite (xx)

St Agnes, Cornwall, England / UK; pale-greenish-blue micro crystalline intermixed aggregates of Atacamite-group minerals and some Bobkingite. Bobkingite from St. Agnes is extremely rare and was until now found only in an approx. 100 years-old museum specimen. 3 mm aggregate in a capsule; Capsule 75,00

Callaghanite xx

Helbra, Eisleben, Mansfeld, Saxony-Anhalt / Germany; nice specimens with blue glassy aggregates of micro crystal very rich covering a brownish matrix. The historic mining location Helbra in the Mansfield basin in currently one of only 6 known locations worldwide for this rare Cu-Mg-Carbonate. In the area of quality, this new find brings out the second-best find of Callaghanite world-wide; KS 38,00; NS 65,00

Caryinite (xx)

Langban,Värmland / Sweden / TYP; orange-brown glassy highly lustrous crystal aggregates of 3 mm, very rich in Diopside-Jacobsite matrix; MM 28,00; KS 48,00

Chalcocite xx

Eisleben, Mansfeld Basin, Saxony Anhalt / Germany; dark bluish-grey metallic crystal aggregates of 1 cm in Calcite;
KS 19,00; NS 28,00

Copper xx

Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western Siberia / Russia; very nice tree-like crystal-cluster of highly lustrous copper-red (with nice patina) well terminated crystals of 0,5 cm to 2 cm. Very impressive specimens from a new find;
KS 28,00; NS 48,00

Corundum (xx)
Var. Sapphire

Tetscha River, Kychtimsk, Miass, Western Siberia / Russia; blue long-prismatic crystals and aggregates of 2 cm very richly intergrown with white tabular Diaspore crystals of 5 mm. Very old specimens; KS 28,00; NS 48,00

Cosalite xx

Mina Bolivar, Piedras Verde, Mun. de Urique, Chihuahua / Mexico; dark grey metallic needle-like freestanding crystals of 1 cm, with some yellowish metallic Chalcopyrite of 5 mm very rich on a matrix of Quartz crystals of 2 cm. These are the finest Cosalite specimens I have ever seen; KS 38,00; NS 85,00

Crocoite xx

Callenberg North open cut, Callenberg, Glauchau, Saxony / Germany; orange-red highly lustrous long prismatic crystals up
to 1,5 cm together with yellowish-green Pyromorphite on matrix.
Very nice colorful specimen, collected around 1980;
KS 28,00; NS 48,00

Cuprobismutite (xx)

Tunnel Extension Mine, Bullion Canyon, Tushar Mts., Piute Co., Utah / USA; grey metallic crystals of 3 mm, as very rich intergrowing aggregates in Quartz; MM 38,00

Danalite xx (xx)

Finngruvan, 401 m Sohle, Yxsjöberg, Ljusnarsberg, Örebro, Västmanland / Sweden; violet-reddish-brown highly lustrous crystals of 2 cm and massive aggregates to 4 cm of pure Danalite, inter-grown in Fluorite-Biotite-Quartz matrix. Very good specimens collected in 1980; KS 28,00; NS 48,00

Danbaite (xx)

Eisleben, Mansfeld, Saxony Anhalt / Germany ; silver to pinkish-white metallic aggregates of pure massive Danbaite. This very rare copper-zinc alloy was collected in few small samples as a primary mineral in a historic find from an early middle ages slag dump; Capsule 48,00; MM 95,00

Diopside X

Nilaw, Nuristan / Afghanistan; pale-pinkish to colorless highly lustrous gemmy crystals of 1,5 cm (MM) to 2 cm (KS) in partial cut stone quality. Pinkish Diopside was nearly unknown before; MM 19,00; KS 28,00

Elbaite xx

Haapaluoma Pegmatit, Peräseinäjoki, Vaasa, Länsi-Suomen Lääni / Finland; violet highly lustrous long-prismatic crystals of 3 cm, very rich together with pale greenish-grey Spodumene crystals of 4 cm and Quartz. Very nice specimens from this classic location; KS 19,00; NS 28,00; HS 38,00

Ellingsenite xx IMA 2009-041

Aris Quarry, Aris, Windhoek, Khomas Region / Namibia / TYP; white 1 mm aggregate of highly lustrous intergrown crystals, in small vugs in Phonolite matrix; MM 48,00; KS 75,00

Ericssonite (xx)

Langban, Värmland / Sweden / TYP; dark-orange-brown to nearly orange-black completely epitaxial tabular crystals of 5 mm inter-grown with Orthoericssonite, very rich in blocky aggregates in Rhodonite-Hausmannite matrix; MM 28,00; KS 48,00

Eulytine (xx)

Weißer Hirsch Mine, Schneeberg, Erzgebirge, Saxony / Germany / TYP; "Pseudomorphs after Feather-Bismuth". Grey glassy 4 cm aggregates with a feather-like structure of pure Eulytine, with some pale yellowish Bismutite, on Gneiss matrix. These are certainly the richest Eulytines I have ever seen. Collected around 1980; KS 48,00; NS 125,00

Ferro-aluminoceladonite (xx)

Kürn, Regensburg, Upper Palatinate, Bavaria / Germany; green Chromium-rich Ferro-aluminoceladonite, very rich as microscopic inclusions in greenish grey Chalcedony; MM 48,00; KS 85,00

Ferrogedrite xx

Skisshyttan, Väster-Silvberg, Ludvika, Dalarna / Sweden; dark greenish, glassy, acicular sun-like aggregates of 4 cm in pale Leptite matrix. Only Gedrite was known before from this area. But analyses show clearly that in some of the Peptite outcrops the Gedrite is Iron dominant. With a crystal size up to 2,5 cm these will be the finest known Ferrogedrite specimens;
NS 38,00; HS 65,00

Fluorbritholite-(Y) xx IMA 2009-005

Nedre Lapplegret Quarry, Nedre Lapplegret Quarry, Tysfjord, Nordland / Norway; orange-brown glassy crystals up to 1 mm, together with some pale-pinkish to tan Fluorthalenite-(Y) crystals to 3 mm and dark-brownish Allanite-(Ce) in pale yellowish-grey glassy Yttrofluorite matrix; KS 75,00; NS 125,00

Fluor-elbaite xx

Aqueana Pegmatite, Aracuai,, Minas Gerais / Brazil; dark green highly lustrous thick-prismatic gemmy crystals of 1 cm x 1,5 cm (MM), 1 cm x 2,5 cm (KS), to 1 cm x 4 cm (NS). This new rare mineral of the Tourmaline group is the Fluorine analogue of Elbaite, where 3 OH-groups are replaced by Fluorine; MM 38,00; KS 65,00; NS 148,00

Fluor-schorl xx

Neustädtel, Schneeberg, Erzgebirge, Saxony / Germany; glassy brownish highly lustrous long-prismatic crystals of 4 cm, intergrown to acicular crystal aggregates, very rich in Quartz. This new rare mineral of the Tourmaline group is the Fluorine analogue of Schorl, where 3 OH-groups are replaced by Fluorine; KS 48,00; NS 75,00; HS 148,00

Fredrikssonite (xx)

Langban,Värmland / Sweden / TYP; brown long-prismatic crystals of 5 mm, very rich in Calcite-Hausmannite matrix. Outstandingly good specimens of this rare Borate; MM 28,00; KS 48,00

Gahnite xx

Pico das Almas River, Paramirim das Crioulas, Érico Cardoso, Bahia / Brazil; olive-greenish-blue bipyramidal gemmy single crystals in a partial gem quality. 5 crystals per MM-box; MM 19,00

Gold xx

Anna adit, Mitterberg, Mühlbach am Hochkönig, St Johann im Pongau, Salzburg / Austria; Gold aggregates to 5 mm very rich in
2 cm aggregates of massive Uraninite in schist-rock matrix. Old material collected around 1975; KS 65,00

Gold xx

Mina Compania Minera, El Callao, Ciudad Guayana, Bolivar Prov. / Venezuela; Gold aggregates of 3 mm in Quartz matrix. Very old and historic specimens; KS 48,00

Graphite xx

Limberg Quarry, Pargas, Turku-Pori, Länsi-Suomen Lääni / Finland; grey metallic tabular crystals of 5 mm in white Calcite;
KS 14,00; NS 24,00

Guerinite xx
Sainfeldite xx

Hilfe Gottes Mine, Ilfeld, Harz Mts., Thuringia / Germany; white long-tabular crystals of 3 mm, together with white radial-acicular 5 mm aggregates of Picropharmacolite, pale-violet glassy Sainfeldite crystals of 1 mm and small pinkish Erythrite aggregates. Very nice specimens, collected around 1980; KS 28,00; NS 48,00

Hauchecornite xx

Friedrich Mine, Wissen, Siegerland, Rhineland-Palatinate / Germany / TYP; brass yellowish tabular crystals to 3 mm with some yellowish Millerite crystals. Very good specimens; MM 38,00; KS 95,00

Hotsonite (xx)

Hotson 6 Mine, Koenabib farm, 65 km west of Pofadder, Bushmanland, Nothern Cape Prov. / South Africa / TYP; white vein-like massive 5 mm aggregates in weathering Sillimanite-Muscovite rock. The white vein-like aggregates are a mixture of Hotsonite and Natroalunite. Very good specimens of this rare Al-Phosphate; KS 38,00; NS 75,00

Hydronian-Eosphorite xx

Linopolis, Divino das Larangjeira, Minas Gerais / Brazil / TYP; dark orange-brown highly lustrous 4 mm crystal balls very rich on a matrix of Albite, Quartz and Muscovite crystals. These are the first known Iron free Eosphorites. The Iron is exchanged by H3O, Ca and Mg. The amount of Hydronium (H3O) is always under 30 % to Manganese. This material is still a variety, but it shows a potential new end member of the Childrenite-Eosphorite series; KS 38,00; NS 75,00

Jahnsite-(MnMnMn) xx

Sapucaia do Norte, Galiléia, Doce Valley, Minas Gerais / Brazil; orange-brownish highly lustrous platy crystals of 1 mm, very rich on fracture zones in a massive matrix of pale-blue glassy tabular Metavivianite crystals to 1 cm and greenish-grey glassy Triphylite. Very unique and colorful specimens; KS 65,00; NS 95,00

Kascholong-Opal

Ellora Caves, Ellora, Aurangabad, Maharashtra / India; 5 cm stalactites making up what looks like a frozen waterfall of white Kascholong Opal. I have never seen any similar mode of crystallization on a mineral before; NS 38,00; HS 95,00

Kleinite xx

Cordero Mine, Mc Dermit, Humboldt Co., Nevada / USA; outstandingly nice specimens with orange-yellowish crystals of 3 mm very rich on vugs in tan Jasplite matrix. These are the finest specimens of this rare mercury halide I have ever seen, collected in the early 1980s; KS 38,00; NS 65,00

Lepersonnite-(Gd) xx

Shinkolobwe Mine, Katanga, Shaba / Kongo / TYP; glassy yellow acicular crystals of 2 mm with orange Sayrite, dark-yellowish Studtite und Uranophane on massive Uraninite matrix; MM 48,00; KS 95,00

Libethenite xx

Mina El Guanaco, Est Catalina, Taltal, Atacama Desert, II Region / Chile; glassy green idiomorphic crystals of 1,5 mm, very rich on large vugs in Rhyolite matrix; KS 19,00; NS 28,00

Lorandite xx

Lanmuchang Mine, Xingren Co., Qianxi'nan Pref., Guizhou Prov. / China; red long tabular crystals up to 5 mm and aggregates rich on fractures in black rock matrix; KS 28,00; NS 48,00

Margarite (xx)

Belts Bridge, South bank of South Yadkin River, Iredell Co., North Carolina / USA; "Pseudomorph of Margarite after Corundum" a 8 cm x 5 cm x 4 cm replaced crystal with inclusions of Ilmenite and Dravite; HS 75,00

Marshite xx

Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western Siberia / Russia; white (in UV-light intensive orange-red) crystals
of 0,5 mm very rich on the surface of copper crystals to 1 cm, with some Cuprite crystals; KS 28,00; NS 85,00

Matatorbernite xx

Schneeberg, Erzgebirge, Saxony / Germany/ TYP; pale green tabular crystals of 2 mm on Quartz; KS 28,00

Melanotekite xx

Macy Mine, Hillsboro District, Sierra Co., New Mexico / USA; dark greenish-brown highly lustrous crystals of 1 mm on vugs in Quartz-Limonite matrix; KS 38,00; NS 65,00

Metanatroautunite xx

Johanngeorgenstadt, Erzgebirge, Saxony / Germany; yellowish-olive-green tabular crystals of 1 mm intergrown with green tabular Torbernite on vugs in Gneiss matrix. This is the first find of Metanatroautunite in Europe; MM 38,00; KS 75,00

Metavoltine xx

Alum Grotto, Porto Levante, Vulcano Island, Eolie Islands, Sicily / Italy; yellow highly lustrous tabular small crystals very rich in vugs in a matrix of fibrous 1 cm-long Pickeringite crystals. Collected in 1927; KS 28,00

Miargyrite xx (xx)

Dealul Crucii Adit, Baia Mare, Maramures Co. / Romania; reddish-grey metallic highly lustrous aggregate of 1 cm on thin fracture zones in Quartz matrix. Very old specimens. Miargyrite from Baia Mara was unknown before; KS 28,00; NS 75,00

Nadorite xx

Djebel Nador, Quacentina, Constantine Prov. / Algeria / TYP; yellowish-brown highly lustrous tabular crystals of 1 cm intergrown to massive aggregates of pure Nadorite, with free standing crystals in vugs. Partly together with some yellowish Bindheimite;
KS 38,00

Natrochalcite xx

Mina Chuqui, Chuquicamata, Calama, II-Region, Atacama Desert / Chile / TYP; green highly lustrous crystals to 3 mm very rich on vugs in Andesite matrix; MM 28,00; KS 38,00

Norbergite xx

Limberg Quarry, Pargas, Turku-Pori, Länsi-Suomen Lääni / Finland; orange highly lustrous crystals of 3 mm very rich in Calcite matrix. Very nice specimens; KS 19,00; NS 28,00

Oxyphlogopite xx
IMA 2009-069

Rothenberg Quarry, Bell, Mendig, Eifel Mts., Rhineland-Palatinate / Germany / TYP; orange-brown highly lustrous tabular crystals of 1 mm, in isolated vugs in Alkali-Basalt matrix; KS 38,00

Pitticite

Stamm Asser Mine, Graul, Schwarzenberg, Erzgebirge, Saxony / Germany; orange-brownish glassy aggregates on Pyrite-Limonite matrix; MM 14,00; KS 28,00

Proustite xx

Uranus Mine, Annaberg-Buchholz, Erzgebirge, Saxony / Germany; "Pseudomorph of Proustite and Pyrite after native Silver". Dendritic structures of former silver crystals to 2 cm, replaced by reddish 2 mm Proustite crystals and 1 mm aggregates of Pyrite. Very rich in Quartz-Barite matrix; KS 38,00; NS 95,00

Pseudorutile

Antanifotsy Pegmatite, Faratsiho, Vakinankaratra, Antananarivo / Madagascar; dark brown highly lustrous massive slide-aggregates of 1 cm of pure Pseudorutile (MM). NS= brown well terminated single crystal of 4 cm. HS = one 9 cm x 6 cm x 4 cm crystal. These specimens are the finest known Pseudorutile specimens; MM 28,00; NS 380,00; HS 750,00

Rauenthalite xx

König Dänemark Mine, Annaberg-Buchholz, Erzgebirge, Saxony / Germany; white radial-acicular crystal balls of 2 mm, very rich on large vugs on matrix, together with pale-green Annabergite, Picropharmacolite and some tabular Guerinite. Outstandingly good specimens of the rare Ca-Arsenates; KS 28,00; NS 48,00

Safflorite xx

Johanngeorgenstadt, Erzgebirge, Saxony / Germany; "Pseudomorph of aggregates of 1 mm Safflorite crystals after 2 cm Silver dendrites" together with 2 mm crystals of a "Pseudomorph of Pyrite after Argentopyrite crystals", together with nice Pyrargyrite crystals of 4 mm and white metallic Skutterudite crystals; HS 480,00

Sazhinite-(Ce) xx

Aris Quarry, Aris, Windhoek, Khomas Region / Namibia; white long-prismatic 1 mm crystals isolated in a vug in Phonolite matrix; KS 38,00

Sazhinite-(La) xx

Aris Quarry, Aris, Windhoek, Khomas Region / Namibia / TYP; colorless to white long tabular crystals of 0,5 mm isolated in a small vug in Phonolite matrix; KS 75,00

Scheelite X

Nävergruvan, 420 m level, Yxsjöberg, Ljusnarsberg, Örebro, Västmanland / Sweden; yellowish-grey waxy lustered single crystal of 6 cm x 4 cm x 3 cm. Collect all round 1980; NS 75,00

Schulzenite

Mina La Profunda, Villamanin, Carmenes, Leon, Castile and Leon / Spain; black botryoidal aggregates on Calcite matrix. Very rich samples of this rare Heterogonite-like Cobalt-Copper Hydroxide (Co = 3 to Cu = 1); KS 48,00

Selenopolybasite (xx)

San Poil Mine, Flag Hill, Eureka Gulch, Republic, Ferry Co., Washington / USA; tiny metallic inclusion in black vein in Chalcedony. The Selenopolybasite is present as microscopic intergrowths with Pyrite, Gold and a unknown Ag-Cl-Se phase;
MM 85,00; KS 125,00

Shungite

Shun'ga River, Shun'ga, Onega Lake, Karelia Republic / Russia; black highly lustrous massive aggregates of pure Shungite. Note there is a possibility that this material may have Fullerite = C-60 or some Buckminsterfullerene inside. But it is incredibly difficult to prove it. Old specimens collected around 1960; KS 28,00; NS 75,00

Sillenite (xx)

Weißer Hirsch, Schneeberg, Erzgebirge, Saxony / Germany; "Pseudomorph after Feather-Bismuth". Yellowish glassy to waxy aggregates intergrown with microcrystalline pale yellow Bismutite as very rich feather-like structures on large vugs in Gneiss matrix. Very good specimens collected around 1980; NS 38,00; HS 75,00

Skutterudite xx

Schneeberg, Erzgebirge, Saxony / Germany; "Pseudomorph of Skutterudite after native Silver" Feather-like aggregates of 3 cm intergrown to massive aggregates of pure Skutterudite. Very old historic specimens; KS 28,00; NS 48,00; HS 125,00

Soddyite xx Swamboite xx

Swambo Mine, Kolwezi, Shaba / Congo / TYP; yellowish-brown crystals of 2 mm very rich with some pale yellow acicular Swamboite on matrix; MM 38,00; KS 65,00

Stanfieldite xx Tetrataenite

Estherville Mesosiderit A3/4, Estherville, Emmet Co., Iowa / USA / TYP; honey-brownish glassy highly lustrous isolated idiomorphic crystals of 1,5 mm with some greenish-grey idiomorphic 0,5 mm Enstatite crystals, and Kamacite crystals with core zones of Tetrataenite up to 5 mm and some small Troilite crystals, in vugs in Mesosiderite matrix. Stanfieldite in idiomorphic crystals was completely unknown before. Generally free standing crystals grown in vugs in a Meteorite are highly uncommon. With an age of approx. 4,4 Billion years these will be the oldest-known idiomorphic crystals of a phosphate in our solar system.; MM 125,00; KS 185,00

Tetrawickmanite xx

Irland Working, Langban, Värmland / Sweden; yellow highly lustrous crystals of 0,5 mm in vugs in Hematite-Chalcocite-Antigorite matrix; MM 48,00

Torbernite xx

Johangeorgestadt, Erzgebirge, Saxony / Germany / TYP; pale green highly lustrous tabular crystals of 3 mm, very rich on Gneiss matrix. Very nice historic specimens from the Type locality for Torbernite; KS 28,00; NS 48,00

Tremolite X

Koh-i-Lal, Ishkashim District, Badakhshan Prov. / Afghanistan; pale green highly lustrous transparent gemmy single crystals
of 2 cm (KS) up to 3,5 cm (NS), partly in cut stone quality.
Outstanding specimens; KS 38,00; NS 65,00

Turanite xx

Tyuya Muyun, Fergana Valley, Osh, Alai Range / Kyrgyzstan / TYP; green needle-crystal aggregates together with olive-green Tangeite aggregates and sometimes also yellowish Tyuyamunite on Calcite matrix. For all three minerals Tyuya Muyun the Type locality; MM 28,00; KS 48,00

Uranotungstite (xx)

Johanngeorgenstadt, Erzgebirge, Saxony / Germany; yellow micro-crystalline aggregates intergrown with a clay mineral, very rich with Metatorbernite on Quartz matrix. Uranotungstite from Johanngeorgenstadt has till now been known from just a single historic specimen; MM 65,00

Västmanlandite - (Ce) (xx)

Malmkärra Gruvan, Norberg, Västmanland / Sweden / TYP; dark brownish blocky aggregates of 5 mm very rich with reddish-grey Flourbritholite-(Ce) in Actinolite matrix; MM 19,00; KS 28,00

Walpurgite xx

Weißer Hirsch Mine, Neustädtel, Schneeberg, Erzgebirge, Saxony / Germany / TYP; orange prismatic crystals to 3 mm with some grayish glassy Eulytine on Gneiss matrix. Old specimens, collected around 1980; MM 38,00; KS 75,00

Wittichenite xx

Cattle Grid pit, Mt. Gunson, Andamooka Ranges, Lake Torrens, South Australia / Australia; dark grayish-black metallic highly lustrous idiomorphic single crystals of 6 mm (MM) to 1 cm (KS). This unique small find of approximately only 45 crystals has produced the finest and largest crystals of this rare Cu-Bi-Sulfide; MM 148,00; KS 285,00

Zaherite xx

Hotson 6 Mine, Koenabib farm, 65 km west of Pofadder, Bushmanland, Northern Cape Prov. / South Africa; white to pale yellowish long-tabular crystals to 5 mm, intergrown to scaly massive aggregates of pure Zaherite. These are the finest Zaherite specimens I have ever seen; MM 28,00; KS 65,00

Zirconolite xx

Håkestad Quarry, Håkestad, Tjølling, Larvik, Vestfold / Norway; black highly lustrous crystals of 3 mm with some Biotite in Feldspar matrix; KS 28,00