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Minerals

6323 results

Hydrocynkit,_Kopalnia_Ojuela,_Mapimi,_Durango,Meksyk; autor zdjęcia Paleonet; 10.12.2006 r. Mineral

Hydrozincite

hydrozincite

Formula
Zn5(CO3)2(OH)6
Mineral

Hylbrownite

hylbrownite

Formula
Na3MgP3O10·12H2O
Black crystals of the very rare mercury mineral hypercinnabar. Hypercinnabar has only been found in 6 localities worldwide. Analyzed specimen. From: Clear Creek, San Benito County, California, United States of America. Mineral

Hypercinnabar

hypercinnabar

Formula
HgS
Mohs
3
Mineral

Hyršlite

hyršlite
Mineral

Hyttsjöite

hyttsjöite
Häggite Locality: Ambrosia Lake area, Grants District, McKinley County, New Mexico, USA (Locality at mindat.org) Size: 7.6 x 6.2 x 4.3 cm. Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Ex. Philadelphia Academy of Sciences Collection. Mineral

Häggite

häggite

Formula
V2O2(OH)3
Mohs
4.5
Mineral

Håleniusite-(Ce)

håleniusite-(Ce)

Formula
CeOF
Håleniusite-(La) Locality: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden Size: 5.0 cm x 3.0 cm x 1.5 cm A fantastic combination specimen from the historic Bastnas ore field. Pale yellow, subhedral aggregates of the rare earth oxyhalide haleniusite are intimately intergrown with lavender-gray, massive cerite-(Ce), dark green-gray tornebohmite-(La), black, granular massive ferriallanite, sub-radial sheaves of an amphibole group mineral, and vibrant green, radial aggregates of brochantite. Swedish Natural History Museum and Paulo Matioli labels. Photos by Tom and Melissa Campbell. Mineral

Håleniusite-(La)

håleniusite-(La)

Formula
LaOF
Hörnesite Locality: Schwarzleo District, Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria Field of view 5 mm. Specimen and photo Leon Hupperichs Mineral

Hörnesite

hörnesite

Formula
Mg3(AsO4)2·8H2O
Mohs
1
Mineral

Höslite

höslite
Black crystals of the very rare mineral hogtuvaite from the type and only locality known worldwide (Hogtuva, Rana, Nordland, Norway). Hogtuvaite is a complex beryllium silicate. Mineral

Høgtuvaite

høgtuvaite
Dark brownish red hübnerite crystals with quartz (4.0 × 3.0 × 2.7 cm). Found from Pasto Bueno, Ancash, Peru Mineral

Hübnerite

hübnerite

Formula
Mn²⁺WO4
Mineral

Hügelite

hügelite
Ianbruceite Field of view: 3 mm Locality: Potts Gill, Caldbeck, Cumbria, United Kingdom Mineral

Ianbruceite

ianbruceite

Formula
Zn2O[AsO3(OH)](H2O)3.53
Iangreyite, a very rare Ca-Al-phosphate, is a mineral approved in 2010 with IMA 2009-087. It occurs as white crystal aggregtaes on a contrasting matrix. It has been found in only 3 localities worldwide, this one from the type locality: Huber Stock, Krásno, Horní Slavkov, Karlovy Vary Region, Czech Republic. Mineral

Iangreyite

iangreyite

Formula
Ca2Al7(PO4)2(PO3OH)2(OH,F)15·8H2O
Violet crystals of ianthinite from Menzenschwand, Germany, partly oxidised to schoepite as well as yellow schoepite crystals pseudomorph after ianthinite Mineral collection: F. Rohowski Mineral

Ianthinite

ianthinite

Formula
U⁴⁺2(UO2)4O6(OH)4·9H2O
Кристаллы льда Mineral

Ice

ice

Formula
H2O
Mohs
1.5
Colour
colorless, white
Mineral

Ichnusaite

ichnusaite

Formula
Th(MoO4)2·3H2O
Mineral

Icosahedrite

icosahedrite

Formula
Al63Cu24Fe13
Black metallic crystal aggregate of the rare copper telluride weissite associated to also rare minoritary idaite from Winston, Sierra County, New Mexico, United States of America. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Idaite

idaite

Formula
Cu3FeS4
Idrialite Locality: Skaggs Springs Mine, Skaggs Springs, Sonoma County, California, USA (Locality at mindat.org) A VERY RARE, greenish yellow, orthorhombic, organic mineral. Curtisite is a synonym for idrialite. Curtisite was first described from Skaggs Springs in 1925. Ex Carl Davis Collection. 7.2 x 4.3 x 1.4 cm Mineral

Idrialite

idrialite

Formula
C22H14
The type specimen of igelströmite showing a black aggregate of lenticular, parallel-grown igelströmite crystals on blackish globular “serpentine”, with associated yellow nadorite and greyish-colourless aggregates of lead-bearing rhodochrosite. Field of view is ca. 4 × 3 mm. GEO-NRM 19255056. Photo: Torbjörn Lorin. Mineral

Igelströmite

igelströmite

Formula
Fe³⁺(SbPb)O4
Iimoriite-(Y) Locality: Trimouns Talc Mine, Luzenac, Ariège, Midi-Pyrénées, France (Locality at mindat.org) This is the best specimen let go from the collection, and features an exquisite 6 x 4 mm iimoriite crystal whose termination is freestanding! SUPERB for the species and locality! 3.2 x 2.5 x 1.25 cm Mineral

Iimoriite-(Y)

iimoriite-(Y)

Formula
Y2[SiO4][CO3]
Calcite, Ikaite Locality: Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Locality at mindat.org) Size: cabinet, 10.3 x 7.7 x 5.9 cm Calcite after Ikaite "Glendonite" This mineralogical oddball actually features 4.5 cm, orange-brown crystals of calcite (var. glendonite). Although these oddities are admittedly esoteric and hard to explain, visually they can be spectacular, like this one. Ex. Martin Zinn Collection. Mineral

Ikaite

ikaite

Formula
CaCO3·6H2O