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Mineralati

Minerals

6323 results

Aurostibite is a rare mineral of simple chemistry, since it is a gold antimonide, AuSb2. It occurs in this specimen as silvery crystal aggregates scattered on the specimen. From: Krásná Hora Nad Vltavou, Bohemia, Czech Republic. Mineral

Aurostibite

aurostibite

Formula
AuSb2
Austinite on calcite Field of view: 10 mm Locality: Christiana Mine, Agios Konstantinos (Kamariza), Lavrion mining district, Lavreotiki, East Attica, Attica, Greece (locality at mindat.org) Mineral

Austinite

austinite

Formula
CaZnAsO4(OH)
Autunite Locality: Les Oudots Quarry, Grury, Issy-l'Evêque, Saône-et-Loire, Burgundy, France:: Taille : 30 x 15 x 7 cm Mineral

Autunite

autunite

Formula
Ca(UO2)2(PO4)2·(10-12)H2O
Mineral

Avdeevite

avdeevite

Formula
NaAl4(Be5Li)(Si6O18)2(H2O)1-2
:Locality: Blyava Cu Deposit, Orensburgskaya Oblast, Urals Region, Russian Federation Size: 0.2 × 0.1 × 0.1 cm Description: Some aggregates of green avdoninite crystals from the Type Locality. In a glass capsule to avoid getting dehydrated. This species is a very rare fumarole potassium and copper chloride. Mineral

Avdoninite

avdoninite

Formula
K2Cu5Cl8(OH)4·H2O
Mineral

Averievite

averievite

Formula
Cu6(VO4)2O2Cl2
Yellow brown aggregates of the mineral avicennite associated to parapierrotite. From Lookout Pass, Little Valley, Tooele County, Utah, United States of America. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Avicennite

avicennite

Formula
Tl2O3
Ferruccite (white) on Avogadrite (yellow-brownish), picture size: 5 mm Locality: Vesuvius, Italy Mineral

Avogadrite

avogadrite

Formula
KBF4
Awaruite Locality: Josephine Creek, Josephine Creek District, Josephine County, Oregon, USA (Locality at mindat.org) Size: 2.2 x 1.2 x 0.9 cm. Awaruite is a nickel-iron alloy-bearing rock named after its place of origin, Josephine County in southwestern Oregon. These awaruite pebbles occur as detritus in several streams that originate and flow across the Josephine Peridotite. This pebble/nugget weighs 13 grams. It was in the Millard Grobon collection, and after that in the collection of Gene Meieran. Mineral

Awaruite

awaruite

Formula
Ni2Fe
Mineral

Axelite

axelite

Formula
Na14Cu7(AsO4)8F2Cl2
Axinite Locality: Dodo Mine, Tyumenskaya Oblast', Polar Urals, Western-Siberian Region, Russia (Locality at mindat.org) Size: 3.3 x 1.9 x .4 cm. A very fine, doubly-terminated single crystal of Axinite. The gemminess and luster are both excellent, and even though there is some very minute chatter along the edges, it is still a very fine example of the species. From finds of the 1980s. Ex. Charlie Key stock. Mineral

Axinite-(Fe)

axinite-(Fe)
Axinite-(Mg) Locality: Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania Size: 2.1 x 1.5 x 0.5 cm A sharp, gemmy, pale lavender-colored crystal of the rare species axinite-(Mg) which rarely comes from this mine (found summer, 2010). It is very glassy, with sharp beveled edges. Weighs 9.26 carats or nearly 2 grams. Mineral

Axinite-(Mg)

axinite-(Mg)

Formula
Ca2MgAl2BSi4O15OH
Translucent sharp crystals of manganaxinite to 2.5 cm in size with some greenish crystals of epidote (4.7 × 3.0 × 3.0 cm). Found from Canta, Lima, Peru Mineral

Axinite-(Mn)

axinite-(Mn)

Formula
Ca2Mn²⁺Al2BSi4O15(OH)
Black crystals of the rare mineral azoproite from the type and only one of the two known localities worldwide: Tazheranskii Massif, Lake Baikal, Irkutskaya Oblast', Prebaikalia, Eastern Siberia, Russian Federation. Azoproite is a magnesium borate. Mineral

Azoproite

azoproite

Formula
Mg2(Ti0.5Mg0.5)O2(BO3)
Mohs
5.5
Colour
black
Azurite, Malachite Locality: Bisbee, Warren District, Mule Mts, Cochise County, Arizona, USA (Locality at mindat.org) Size: 8.6 x 7.5 x 3.1 cm. This is a spectacular example of a really rich layered azurite that is of top carving grade, rife with intricate natural patterns. It is so bright, it is almost electric. The back of the nodule is left natural, and is not cut and polished. Ex. Ron Bentley Collection. Mineral

Azurite

Formula
Cu3(CO3)2(OH)2
Mohs
3.5–4
Colour
Deep blue
Mineral

Babefphite

babefphite

Formula
BaBePO4F
Triclinic crystals of babingtonite with prehnite, from Qiaojia, Qiaojia Co., Zhaotong, Yunnan, China (size: 71 mm x 55 mm, 71 g) Mineral

Babingtonite

babingtonite

Formula
Ca2(Fe,Mn)FeSi5O14(OH)
Mineral

Babkinite

babkinite

Formula
Pb2Bi2(S,Se)3
Back-scattered electron image showing the mineral associations and babunaite-(Nd) occurrence in muscovite-quartz schist. Rock fragments with babunaite-(Nd) marked with a square in (a) and (b) are enlarged in (c) and (d), respectively. Amd – almeidaite, Bbu-(Nd) – babunaite-(Nd), Bnt – braunite, Hem – hematite, Ms – muscovite, Qz – quartz. Mineral

Babunaite-(Nd)

babunaite-(Nd)

Formula
NdAsO4
Pink crystals of the very rare copper arsenate babanekite from one of the few localities known worldwide: Fenugu Sibiri Mine, Gonnosfanadiga, Sardinia, Italy. Mineral

Babánekite

babánekite

Formula
Cu3(AsO4)2·8H2O
Mineral

Bacaferrite

bacaferrite

Formula
BaCaFe4O8
Mineral

Backite

backite

Formula
Pb2AlTeO6Cl
Mineral

Badakhshanite-(Y)

badakhshanite-(Y)

Formula
Y2Mn4Al(Si2B7BeO24)
Mineral

Badalovite

badalovite

Formula
NaNaMg(MgFe³⁺)(AsO4)3