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Minerals

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White crystal aggrgates of the extremely rare Mg-Al carbonate mineral indigirite from the TL in Russia (Sarylakh Deposit, Indigirka River Basin, Sakha Republic, Russian Federation) and only one of the two known localities worldwide. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Indigirite

indigirite

Formula
Mg2Al2(CO3)4(OH)2·15H2O
Pale tan crystal aggregates of the extremely rare indium mineral dzhalindite associated to metallic minoritary also indium mineral indite from the type locality for both minerals: Dzhalinda, Malyi Khingan Range, Khabarovsk Krai, Russian Federation. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Indite

indite

Formula
FeIn2S4
A grey-black metallic specimen of the extremely rare native element indium from the type locality in Russia: Orlovskoye, Chitinskaya Oblast, Zabaykalsky Krai, Russian Federation. Native indium is one of the rarest native elements, even more in these completely analyzed specimens like this two, by SEM-EDS, where the analysis show a purity of 96% In, being the remaining Pb, with about 4%. Indium minerals ar every rare in Nature with only 16 In species known from a total of 5638 (source Mindat). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Indium (Native)

indium (native)

Formula
In
Inesite Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa (Locality at mindat.org) Size: thumbnail, 3 x 2.5 x 2 cm Inesite This is a cherry-red, lustrous, somewhat gemmy inesite from the famous early 1980s pocket that yielded the best quality of inesite found at these mines. Today, the pieces from this pocket are recognizably more lustrous and red than from other finds, and carry a premium. This is a super thumbnail example from the find! Mineral

Inesite

inesite

Formula
Ca2(Mn,Fe)7Si10O28(OH)2·5H2O
Mineral

Ingersonite

ingersonite

Formula
Ca3Mn²⁺Sb5+4O14
Mineral

Ingodite

ingodite

Formula
Bi2TeS
Mineral

Innelite

innelite

Formula
Ba4Ti2Na(NaCa)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)]
Mineral

Innsbruckite

innsbruckite

Formula
Mn33(Si2O5)14(OH)38
Microinclusions of two extremely rare palladium-platinum minerals, sobolevskite and insizwaite, from the famous locality of Norilsk (Oktyabr'skoye Deposit, Putoran Plateau, Eastern Siberia, Russian Federation) in a matrix of cubanite-pentlandite-chalcopyrite in a polished specimen, that was analysed. Mineral

Insizwaite

insizwaite

Formula
Pt(Bi,Sb)2
Mineral

Interliveingite

interliveingite

Formula
AgPb18As25S56
Mineral

Intersilite

intersilite

Formula
Na6Mn²⁺Ti[Si10O24(OH)](OH)3·4H2O
Inyoite Locality: Monte Azul deposit, Sijes, Salta, Argentina (Locality at mindat.org) Size: 7.0 x 5.5 x 4.8 cm. Inyoite is a RARE borate. This EXCELLENT and showy specimen features a sharp, 3.1 cm, very glassy and zoned, pseudorhombic crystal as the primary feature. This two-sided crystal is jauntily perched on the top or side of the specimen. The slight bruise, on one corner, is out of sight. This showy piece comes from a recent, but small find in arid, high altitude valleys of Argentina. There is minor contacting, on this essentially pristine specimen. Mineral

Inyoite

inyoite

Formula
CaB3O3(OH)5(H2O)3·H2O
Mohs
2
Colour
colorlessness
Iodargyrite Field of view: 0.5 mm Locality: South Mine, Kintore opencut, Broken Hill, New South Wales, Australia Mineral

Iodargyrite

iodargyrite

Formula
AgI
Mineral

Iodine (Native)

iodine (native)

Formula
I2
Iowaite (Size: 1.4 cm x 0.9 cm x 0.2 cm) Locality: Palabora mine (Foscor open pit; PMC mine), Loolekop, Phalaborwa, Limpopo Province, South Africa Original description: Iowaite is a rare Mg-Fe hydroxide of the Hydrotalcite Group. This is a very fine, two-sided compound tabular crystal with high lustre and nicely translucent edges. The world's finest examples of the species come from this large open pit mine. Mineral

Iowaite

iowaite

Formula
Mg6Fe³⁺2(OH)16Cl2·4H2O
Mohs
1.5
Mineral

Iquiqueite

iquiqueite

Formula
K3Na4Mg(CrO4)B24O39(OH)·12H2O
Phoenicochroite, Iranite Locality: Unión Minera mine, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile Original description: Fantastic Phoenicochroite micro xls (up to 1 mm in range), with tiny light brown tabular Iranite xls perched on top of the group. Fov 3x3 aprox: foto & collection A.Molina/M.Dini Mineral

Iranite

iranite
White sharp crystals of this rare mineral, Iraqite-(La), associated to pink villiaumite in a contrasting matrix. Very nice under the microscope for the contrast of colors. From: Aris Quarry, Windhoek, Khomas Region, Namibia. Mineral

Iraqite-(La)

iraqite-(La)

Formula
KCa2(La,Ce,Th)Si8O20
Polished section of the intermediate member of the series hollingworthite and irarsite in a completley analyzed specimen. From: Goodnews Bay, Bethel Borough, Alaska, United States of America. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Irarsite

irarsite

Formula
IrAsS
Irhtemite Locality: Ightem Mine (Irhtem Mine), Ightem, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco Field of view 7 mm. Not analyzed, maybe Vladimirite. Specimen and photo Leon Hupperichs. Mineral

Irhtemite

irhtemite

Formula
Ca4Mg(AsO4)2(HAsO4)2·4H2O
Silvery single nugget of the extremely rare Ir-Ru arsenide mineral iridarsenite from a locality in Alaska (Fox Gulch, Goodnews Bay, Bethel Borough, Alaska, United States of America). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Iridarsenite

iridarsenite

Formula
(Ir,Ru)As2
A lot of native iridium nuggets from a locality in California (Crescent City, California, United States of America), the biggest of them is about 1 mm long. Some of the nuggets show crystal faces, which is very unusual for a nugget, since they're usually rounded. Mineral

Iridium (Native)

iridium (native)

Formula
Ir
Yellow crystal aggregates of the rare U-Mo mineral iriginite from Mexico (Picacho, Bacoachi, Bacoachi Municipality, Sonora, Mexico). Ex. Erich Laskowski collection (USA). Mineral

Iriginite

iriginite

Formula
(UO2)Mo2O7·3H2O
Mineral

Irinarassite

irinarassite

Formula
Ca3Sn2(SiAl2)O12