Minerals
Gunnar Färber
Kaliborite xx | Eagle Borax Spring, Death Valley, Inyo Co., California / USA; highly lustrous colorless crystals of 0,3 mm, intergrown with Gypsum and Halite to massive evaporated aggregates; KS 48,00; NS 75,00 |
Kaliophilite xx | Colle Cimino, Marino, Alban Hills, Rome Prov., Latium / Italy; colorless long prismatic crystals of 5 mm together with glassy grayish Melilite crystals to 4 mm on vugs in Biotite Sanidin Matrix. Very nice old specimens; KS 38,00 |
Kalungaite (xx) | Buraco do Ouro Mine, Cavalcante, Goiás / Brazil / TYP; grey metallic tabular crystals to 0,2 mm intergrown with Gold, Chalcopyrite and Bohdanowiczite as metallic inclusions in small 4 mm samples of a Quartz Muskovite Matrix; MM 185,00 |
Kamarizaite (xx) | Kamareza Mine, Agios Konstantinos, Lavrion, Attika / Greece / TYP; beige brownish massive aggregates up to 1 cm in brownish Jarosite matrix; MM 28,00; KS 48,00 |
Kamotoite - (Y) xx | Kamoto East Open Pit, Kolwezi, Western area, Katanga / Congo / TYP; lemon-yellow radial-acicular crystal aggregates on fracture zones in Uraninite; MM 48,00; KS 95,00 |
Kamphaugite-(Y) xls | Eureka Pegmatite, St Peters Dome, Cheyenne, El Paso Co., Colorado / USA;this normally quite uncommon Y-Ca-Carbonate occurs here as massive red-brownish aggregates of 1,5cm. The aggregates are formed of tiny intergrown radial acicular crystals. Very rich specimens from a new find; KS 38,00 |
Kanemite xx | Andajia, Kanem Region, north-east shore of Chad Lake, Chad / TYP; white ball-like crystal aggregate of 2 mm, with some long-prismatic small Gaylussite crystals in a capsule; Kanemite is the only type-locatity mineral from Chad; Capsule 38,00 |
Kankite xx | Reiche Zeche Mine, Freiberg, Erzgebirge, Saxony / Germany; waxy greenish-yellow globular crystal aggregates on Quartz matrix. Very rich specimens of this uncommon Iron Arsenate, collected in 1993; KS 28,00; NS 38,00 |
Kannanite (xls) | Mt Kannan, Uchiko, Ouzu City, Ehime Pref., Shikoku Island / Japan / TYP; the new very rare Vanadium-Silicate forms orange vein-like aggregates of 0,5 mm in red-brownish Piemontite-Hematite-Quartz-matrix; MM 125,00 |
Kannanite (xls) | Mt Kannan, Uchiko, Ouzu City, Ehime Pref., Shikoku Island / Japan / TYP; the new very rare Vanadium-Silicate forms orange vein-like aggregates of 0,5 mm in red-brownish Piemontite-Hematite-Quartz-matrix; MM 125,00 |
Kanonaite xx | Mt. Vassiliko, Katakalaii, Andros Island, Aegean Sea / Greece; glassy green crystals of 1 mm, very rich in layer-like structures in metamorphic Quartzite; KS 38,00; NS 65,00 |
Kanonaite xx | Mt. Vassiliko, Katakalaii, Andros Island, Aegean Sea / Greece; olive green glassy crystals of 1 mm very rich with dark green Chamosite in layer like structures in metamorphic Quartzite; KS 28,00; NS 48,00 |
Kaolinite | Sento Sé, Represa de Sobradinho, Petrolina, Bahia / Brazil; massive dark turquoise aggregates of pure Kaolinite with a waxy lustre. We tested this material via EDAX-SEM and XRD. The results showed clearly that this is a Kaolinite in gem quality; |
Kapundaite xx | Toms Phosphate Quarry, Kapunda, Mt Lofty Range, South Australia / Australia / TYP; golden yellow radial-acicular needle crystal aggregates with crystals of 2 mm, very rich on vugs in brownish Goethite matrix; MM 28,00; KS 48,00 |
Kapundaite xx | Toms Phosphate Quarry, Kapunda, Mt Lofty Range, South Australia / Australia / TYP; golden-yellow radial-acicular needly |
Karibibite xx | Oumlil Mine, Bou Azzer, Tazenakht, Ouarzazate Prov. / Marocco; golden-yellow needly crystals of 2 mm, with some brownish Arseniosiderite, very rich in vugs, and with some veins in a massive grey-metallic Löllingite matrix. Very nice specimens; KS 19,00; NS 28,00 |
Kascholong-Opal | Ellora Caves, Ellora, Aurangabad, Maharashtra / Indien; Tropfsteine die aussehen wie eingefrorende Wasserfälle, aufgebaut aus weißem Kascholong Opal. Ich sah noch niemals ein Mineral mit einer vergleichbaren Ausbildungsform.; NS 38,00; HS 95,00 |
Katoite xx | Caspar Quarry, Bellerberg, Ettringen, Eifel Mts., Rhineland-Palatinate / Germany; clear crystal globules of 0,3 mm with some tabular Afwillite crystals of 2 mm and some Ettringite; KS 28,00 |
Katoptrite xls | Jacobsberg, Nordmark, Filipstad, Värmland / Sweden; dark brownish tabular crystals of 2 mm, together with glassy Sonolite crystals of 2 mm in Calcite Hausmannite matrix; KS 38,00 |
Katoptrite xx | Jacobsberg, Nordmark, Filipstad, Värmland / Sweden; dark brownish tabular crystals of 1 mm, together with glassy Sonolite crystals of 2 mm in Calcite-Hausmannite matrix; KS 38,00 |
Kazakhstanite xx | Gold Quarry Mine, Maggie Creek, Eureka Co., Nevada / USA; tiny black needle crystals, very rich as silky crystal aggregates of |
Keldyshite (xls) | Bratthagen, Lagendalen, Hedrum, Larvik, Vestfold / Norway; the Zr-Silikate occurs a white prismatic aggregates of 1 cm in Feldspar Aegirin matrix; KS 38,00; NS 65,00 |
Kemmlitzite xls | Falotta, Tinizong, Oberhalbstein, Albula Valley, Grischun / Schweiz; the rare Sr-Al-Arsenate-Sulfate forms bright white well terminated cubic crystals up to 1 mm together with some small Quartz crystals on Braunite Quartz matrix. Very good and rich specimens from a new find; KS 28,00; NS 65,00 |
Kemmlitzite xx | Falotta, Tinizong, Oberhalbstein, Grischun / Schwitzerland; well terminated bright white cubic crystals to 1 mm together with some small Quartz crystals on Braunite-Quartz matrix; KS 28,00 |
Kenhsuite xx | Oriental Mine, El Hembrar, Chóvar, Castellón, Valencian / Spain; pale orange-yellow to colorless needle crystals to 1 mm, intergrown to acicular aggregates of 3 mm, with some reddish Corderoite on vugs in a Quartz matrix. Very good specimens of this rare mercury mineral; KS 65,00 |
Kentbrooksite (xx) | Poços de Caldas, Poços de Caldas plateau, Minas Gerais / Brazil; glassy 1 mm violet crystals intergrown to 2 cm crystal aggregates in an Aegirine-Nepheline matrix; unique specimens from a new pegmatite field; KS 28,00; NS 48,00 |
Kentbrooksite (xx) | Poços de Caldas, Poços de Caldas plateau, Minas Gerais / Brasilien; violet glassy 5 mm crystal aggregates very rich in Aegirine Nepheline matrix, nice specimens from a new alkaline pegmatite; KS 28,00; NS 38,00 |
Kentrolite xx | Rämen Working, Langban, Värmland / Sweden / TYP; dark brown prismatic crystals to 4 mm, with some black Braunite xx on Calcite matrix. Very good specimens. Kentrolite in freestanding crystals is very rare; MM 28,00; KS 48,00 |
Kenyaite (xls) | Alkali Lake, Valley Falls, Lake Co., Oregon / USA; the rare Sodium Silicate Kenyaite forms white incrustations of 1 mm thickness, very rich on the surface of a white to very pale grayish porcelain-likes massive Magadiite. This new find bring out the finest specimens of this exotic minerals I ever seen; KS 38,00; NS 65,00; HS 95,00 |
Kermesite xx | Grube Neue Hoffnung, Bränsdorf, Freiberg, Saxony / Germany / TYP; dark red needly crystal aggregates of 5 mm, very rich with grey Stibnite crystals on vugs in Quartz matrix; KS 28,00 |
Kesterite (xx) | Zinnwald, Altenberg, Erzgebirge, Saxony / Germany; very rich massive grey-metallic crystal aggregates with some Galena; |
Khademite xx Jurbanite xx | Cerro Pintados, Pozo Almonte, Pampa del Tamarugal, I Region / Chile; colorless crystals of 1 mm with some radial acicular white Jurbanite crystals on Natroalunite matrix. Very good specimens of these two rare Al-Sulphates; KS 38,00 |
Khmaralite xx | McIntyre Island, Khmara Bay, Casey Bay, Napier Complex, Eastern Antarctica / Antarctica / TYP; glassy, dark greenish, almost black crystals to 2 mm, with some Magnesiotaffeite-6N3S and Surinamite in a Sillimanite-Quartz matrix; small MM 65,00 |
Khorixasite xls | Mesopotamia 504, Mesopotamia, Khorixas, Kunene Region / Namibia / TYP; the new rare Bi-Cu-Vanadate is the Bi-analog of Mottramite. It occurs as olive-green long prismatic crystals to 0,5 mm, very rich on small cavities in Quartz matrix; KS 125,00 |
Kieserite xx | Stassfurt, Stassfurt Potash deposit, Saxony-Anhalt, Germany / TYP; colorless crystals of 1 cm inter grown in grayish Anhydrite-Halite matrix. Old samples of the type location of the Magnesium-Sulfate Kieserite; KS 19,00; NS 28,00 |
Kilchoanite (xx) | Fuka Mine, Bitchu-cho, Takahashi, Okayama Prefecture, Honshu Island / Japan; colourless highly lustrous glassy aggregates to 2 mm, very rich together with pinkish Spurrite, grayish Gehlenite, Hillebrandtite and brownish Perovskite in a Calcite matrix; KS 38,00; NS 75,00 |
Kimuraite-(Y) xx | Cerro Pintados, Pozo Almonte, Pampa del Tamarugal, I Region / Chile; colorless crystals of 1 mm with some radial acicular white Jurbanite crystals on Natroalunite matrix. Very good specimens of these two rare Al-Sulphates; KS 38,00 |
Kinoite xls | Christmas Mine, Dripping Spring Mts., Gila Co., Arizona / USA; lustrous dark blue crystals to 1 mm, very rich together with Hydroxyapophyllite-(K) crystals on large fracture zones on limestone matrix, nice specimens; KS 12,00; NS 28,00 |
Kinoshitalite (xx) | Noda-Tamagawa Mine, Noda, Iwate Pref., Honshu Island / Japan / TYP; highly lustrous pale yellowish to colorless tabular crystals of 2 mm, very rich in grayish Tephroite matrix; KS 38,00 |
Kircherite xx | Bianchella, Sacrofano, Roma / Italy / TYP; tabular white crystals to 2 mm in a Sanidine matrix; MM 95,00 |
Kitkaite (xx) | Kitka River Valley, Kuusamo, Northern Finland Region / Finland / TYP; tabular yellow metallic crystals to 1 mm in Albite matrix, only a few small micros available; MM 225,00 |
Kleinit xx | Cordero Mine, Mc Dermit, Humboldt Co., Nevada / USA; überragend gute Stufen mit orange-gelben um 3 mm großen Kristallen, als dichter Kristallrasen auf großen Kluftzonen in heller Jasplit Matrix. Es sind die besten Exemplare des seltenen Quecksilber-Halogenides die ich je sah. Gefunden um 1980; KS 38,00; NS 65,00 |
Kleinite xls | Cordero Mine, Mc Dermitt, Humboldt Co., Nevada / USA; pretty specimens with yellowish crystals of 3 mm very rich on vugs in tan Jasplite matrix. Very nice specimens of the rare mercury halide, collected in the early 1980s; KS 38,00; NS 65,00 |
Klockmannite (xx) | Skrikerum Mine, Valdemarsvik, Östergötland / Sweden; black metallic microcrystalline aggregates very rich on Calcite matrix. Compared to the other Selenides from Skrikerum Klockmannite is quite uncommon; KS 38,00; NS 65,00 |
Klockmannite xls | Hal Lake Selenium Occurrence Nr. I, Uranium City, Beaverlodge Lake, Saskatchewan / Canada; black metallic crystals up to |
Kobellite xx | Boliden Mine, Boliden, Västerbotten / Sweden; lustrous pale grey metallic acicular crystal aggregates of pure Kobellite; |
Kochite xx | Morro do Serrote, Cascata, Poços de Caldas Alkaline Complex, Minas Gerais / Brazil; pale pinkish acicular crystal aggregates to |
Koenenite xls | Bergmannssegen-Hugo Mine, Lehrte, Hannover, Lower Saxony / Germany; the rare Na-Mg-Al-Chloride occurs as orange tabular to blocky single crystals of 3 mm. The mineral is very hygroscopic. Approximately 20 crystals mounted in a special MM-box; |
Kolbeckite xls | Schlarbaum Quarry, Klause, Bad Gleichenberg, Styria /Austria; highly lustrous pale green ball-like aggregates of 2 mm (KS) to |
Kolbeckite xls | Schlarbaum Quarry, Klause, Bad Gleichenberg, Styria /Austria; highly lustrous pale green ball-like aggregates of 2 mm (KS) to |
Kolfanit xx | Mine de Collioux, Staint Luc, Val d´ Anniviers, Wallis / Schweiz; rotbraune sehr reiche wachsartige dichte Kristallaggregate auf Scherzonen in Gneis Matrix. Sehr gute Stufen für das sehr seltene Arsenat; KS 28,00; NS 48,00 |
Kombatite xls | Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region / Namibia /TYP; glassy yellow crystal aggregates of 3 mm in Hausmannite-Calcite matrix; KS 28,00 |
Konyaite xx | Eagle Borax Spring, Death Valley, Inyo Co., California / USA; white microcrystalline aggregates intergrown with Aristarianite and Halite. Very rich specimens of this rare Sodium-Magnesium-Sulfate; KS 48,00; NS 75,00 |
Kornelite xx | Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama Desert, II Region / Chile; crystal aggregates of pale pinkish-brownish glassy crystals to 0,5 mm, very rich on vugs in Coquimbite-Römerite Copiapite matrix. Very nice colourful material.; KS 28,00; NS 38,00 |
Kornerupine xl | Inanakafy, Betroka, Fort Dauphin, Tuléar Prov. / Madagascar; gemmy transparent dark green end-terminated prismatic crystals |
Kornerupine xx | Hullvann Lake, Bjordam, Bamble, Telemark / Norway; glassy red-brownish prismatic crystals of 1,5 cm in Quartz; NS 28,00 |
Korund (xx) | Tetscha River, Kychtimsk, Miass, West Sibirien / Rußland; blaue langprismatische um 2 cm große Kristalle und Aggregate, dicht verwachsen mit weißen tafeligen um 5 mm großen Diaspor Kristallen; KS 28,00; NS 48,00 |
Kotoite xx | Hol Kol Mine, Suan, North Hwanghae Prov. / North Korea / TYP; glassy pale yellow crystals of 1 mm with some black acicular Ludwigite crystals in a white Calcite matrix; MM 38,00 |
Köttigite xx | Lange Wand, Ilfeld, Harz Mts., Thuringia / Germany; pinkish (Cobaltoan) radial-acicular crystal aggregates of 1 mm, very rich on Sandstone matrix. These are the first Köttigites from the Harz Mountain area; indeed Köttigite is a very rare mineral throughout Germany; KS 19,00; NS 28,00 |
Koutekite (xx) | Talmessi Mine, Anarak, Esfahan Prov. / Iran; yellowish grey metallic micro-crystalline massive aggregates of pure Koutekite, particular with some Quartz; MM 38,00; KS 75,00 |
Kraisslite xx | 1250 Level, Sterling Mine, Sterling Hill, Ogdensburg, Sussex Co., New Jersey / USA / TYP; highly lustrous orange-brownish tabular crystals of 1 mm, very rich on 1 cm fractures zones in Willemite (orange), Zincite (red) and Franklinite (black) matrix. Good specimens of this rare Manganese-Zinc-Arsenate-Silicate, collected in 1977; MM 28,00; KS 48,0 |
Krasnoite xx | Silver Coin Mine, Valmy, Humboldt Co., Nevada / USA / TYP; lustrous bright minute white crystals of 0,2 mm forming crystal crusts of 7 x 7 mm on vugs in Quartz matrix; KS 95,00 |
Krettnichite xls | Krettnich, Primstal, Wadern, Saarland / Germany / TYP; the rare Pb-Mn-Vanadat occurs as dark brownish prismatic to tabular crystal aggregates of 3 mm, together with bright luster 5 mm large Manganite crystals on large cavities in breccialic Quartz matrix; KS 38,00 |
Krieselite xls | Tsumeb Mine, Tsumeb, Otavi Mts., Namibia / TYP; the rare Al-Germanate occurse as tiny crystals on Quartz. Only few smal size samples (1mm) available; Capsel 75,00 |
Kristiansenite xx | Heftitjern Pegmatite, Tordal, Telemark / Norway / TYP; highly lustrous colorless crystals of 2 mm, with some colorless Albite crystals; KS 85,00 |
Kröhnkit xx | Mina Chuqui, Chuquicamata, Calama, II Region, Atacama Desert / Chile / TYP; himmelblaue hochglänzende glasige semi transparente um bis 1 cm große Kristalle, sehr reich als dichte gangartige Kristallpartien in heller Andesit Matrix. Sehr schöne Stufen aus einem Neufund; KS 28,00; NS 38,00 |
Krutaite xx | Mina El Dragón, Antonio Quijarro Prov., Potosí Dept. / Bolivia; grey-metallic 1 mm bipyramidal crystals in vugs in massive Krutaite-Penrosite matrix. Krutaite in freestanding crystals is very uncommon; MM 48,00 |
Krutovite (xx) | Teliatko serpentinite body, Dobsiná, Rozňava Co., Kosice Region / Slovakia; grey metallic aggregates of 3 mm in green Falcondoite matrix; MM 28,00; KS 48,00 |
Kulanite xls | Area B, locality 10, Rapid Creek, Richardson Mts., Yukon Territory / Canada / TYP; dark green high lustrous crystals of 5 mm with colorless Fluorapatite. Penikisite is some time zonar intergrown in Kulanite. It is only to find via exact chemistry analysis; KS 38,00; NS 75,00 |
Kumtyubeite (xx) | Mt. Lakargi, Chegem Caldera, Kabardino-Balkarian Republic, Northern Caucasus Region / Russia / TYP; colorless grains of 0,2 mm, well inter grown with Spurrite, Hydroxylellestadite, Ettringite, Bultfonteinite, Srebrodolskite, Magnesioferrite, Rondorfite and Wadalite; MM 38,00; KS 48,00 |
Kupfer xx | Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, West-Sibirien / Rußland; wunderschöne bäumchenartige Kristallaggregate aufgebaut aus kupferroten (mit guter Patina) hochglänzenden scharfkantigen flächenreichen hervorragend ausgebildeten |
Kupletskite (xx) | Bratthagen Pegmatite, Lågendalen, Hedrum, Larvik, Vestfold / Norway; highly lustrous mica-like tabular brown crystals of 1 cm with Aegirine crystals in white Feldspar matrix; KS 28,00; NS 38,00 |
Kuranakhite xx | Mina La Bambolla, Moctezuma, Sonora / Mexico; dark reddish brown tabular crystals up to 1 mm, inter grown to acicular aggregates on matrix; MM 38,00 |
Kutnohorite xx | Osikovo Mine, Sasa, Osogovski Mts., Kocani / Macedonia; pale pinkish crystals of 1 cm, very rich on massive vein-like Kutnohorite. Very nice specimens from a rare location; KS 19,00; NS 38,00 |
Kuzelite xx | Caspar Quarry, Bellerberg, Ettringen, Eifel Mts., Rhineland-Palatinate / Germany; rounded white tabular crystals to 1 mm on vugs in pale matrix; KS 38,00 |
Kyanite xls | Ribeirao das Folhas, Minas Novas, Minas Gerais / Brazil; black nearly diamond-luster fan-like crystal aggregates of 6 cm (NS) to |
Kyanite xx | Bonče Village, Selečka Mt., Prilep, Pelagonia Massiv / Macedonia; blue bright luster semi transparent long prismatic crystals of 5 cm, with some Quartz Mica matrix. Pretty specimens from a rare location; NS 28,00 |
Kyanite xx | Kyanite Creek, Staro Lagovo, Prilep, Pelagonia Massiv / Macedonia; "Black Kyanite" black bright luster double terminated long prismatic crystals of 4 cm (KS) to 7 cm (NS). Black Kyanite crystals are quite rare, the unusual color base one inclusions of Hydrocarbon; KS 19,00; NS 28,00 |
Kyanite xls | Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region / Tanzania; bright transparent long prismatic gemmy apple green single crystals of 2,5 cm (KS) to 4 cm (NS). The unusual apple-green color is caused by a small amount of Fe3+; KS 19,00; NS 28,00 |
Kyrgyzstanite xx | Christiana Mine, Kamariza, Laurion, Attika / Greece; silky white radial-acicular crystal aggregates of 1,5 mm with some white Sepiolite on Calcite matrix. Lavrion is now the locality for the finest known specimens of this rare Zinc-Sulfate; |
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xx = crystals
(xx)= partial or intergrown crystals
X or x = single crystal
Capsel (capsule) = 0.1 to 0.5 cm
MM = micromount approx. 0.5 to 1.0 cm
KS = small piece approx. 1.5 to 4 cm;
NS = average-sized piece approx. 4 to 7 cm
HS = hand-sized piece 7 to 10 cm;
GS / MS = museum-sized pieces larger than 10 cm
xls = crystals; (xls) = partial or intergrown crystals; xl = single crystal.
Capsule= 0.1 to 0.5 cm; MM = micromounts approx. 0.5 to 1.5 cm; KS = small piece approx. 1.5 to 4 cm.
NS = average-sized piece approx. 4 to 7 cm; HS = hand-sized piece 7 to 10 cm; GS / MS = museum-sized pieces larger than 10 cm.