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Mineralati

Minerals

6323 results

Holfertite Locality: Holfertite pit, Starvation Canyon (Searles Canyon), Thomas Range, Juab Co., Utah, USA Field of view 2 mm. Specimen and photo Leon Hupperichs. Mineral

Holfertite

holfertite
Hollandite Locality: Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany (Locality at mindat.org) Field of view 5 mm. Specimen and photo Leon Hupperichs. Mineral

Hollandite

hollandite

Formula
Ba(Mn⁴⁺6Mn³⁺2)O16
Mohs
6
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. The hollingworthite is clearly marked on the analyzed cylinder. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Hollingworthite

hollingworthite

Formula
RhAsS
Mineral

Hollisterite

hollisterite

Formula
Al3Fe
Holmquistite from the Foote Mineral Co., Kings Mountain, North Carolina. Held at the A. E. Seaman Mineral Museum. Mineral

Holmquistite

holmquistite

Formula
Li2(Mg3Al2)Si8O22(OH)2
Yellow crystal aggregates of holtedahlite from the type locality: Tingelstadtjern Quarry, Modum, Viken, Norway. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Holtedahlite

holtedahlite
Light pinkish-violet platy crystals of the very rare mineral holtite from Vasin-Myl'k Mountain, Voron'i Tundry, Murmansk Oblast, Russian Federation. Holtite is tantalum oxide mineral. Ex.Dr.Hartel and Ch.Rewitzer collections Mineral

Holtite

holtite

Formula
(Ta0.6☐0.4)Al6BSi3O18
Mineral

Holtstamite

holtstamite

Formula
Ca3(Al,Mn³⁺)2(SiO4)2(OH)4
Mohs
6
BSE image of holotype sample (ST 61) with Ag,Bi-bearing galena (white) and replacement rims and homogenous grains of holubite (grey). The red box indicates the area sampled for single-crystal X-ray diffraction. The image is published in an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Mineral

Holubite

holubite

Formula
Ag3Pb6(Sb8Bi3)S24
Mineral

Homilite

homilite

Formula
Ca2Fe²⁺B2Si2O10
Mineral

Honeaite

honeaite

Formula
Au3TlTe2
Honessite Locality: Halls Gap, Lincoln County, Kentucky, USA (Locality at mindat.org) Size: 6.2 x 6.1 x 2.5 cm. Metallic, brilliant nickel-green honessite crystals richly fill a 3 cm vug in this impressive matrix specimen from a now closed locality. Honessite is much rarer than its close-relative millerite. Ex. Martin Zinn Collection. Mineral

Honessite

honessite

Formula
(Ni1-xFe³⁺x)(OH)2[SO4]x/2 * nH2O
Mineral

Hongheite

hongheite

Formula
Ca19Fe²⁺Al4(Fe³⁺,Mg,Al)8(☐,B)4BSi18O69(O,OH)9
Steel grey metallic aggregates of the very rare Pt-Cu mineral hongshiite from the type locality in Hongshila Pt-Pd deposit in China. Analyzed by the former owner of the specimen. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Hongshiite

hongshiite

Formula
PtCu
Mohs
4
Mineral

Honzaite

honzaite

Formula
Ni2(AsO3OH)2·5H2O
Hopeite and Hemimorphite Locality: Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Plombières-Vieille Montagne (Plombières-Altenberg) District, Liège Province, Belgium. Size: View of 3.6 cm. Mineral

Hopeite

hopeite

Formula
Zn3(PO4)2·4H2O
Mohs
3.5
Mineral

Hoperanchite

hoperanchite

Formula
(NH4)2(S2O3)
Fig. 2 (a) Optical image of hopmannite and associated minerals within the holotype xenolith specimen. Abbreviations: Aeg – aegirine; Ca-Si-OH – Ca-bearing hydrosilicates; Di – diopside; Fno – fresnoite; Hem – hematite; Hpn – hopmannite; Lct – leucite; Prv – perovskite Mineral

Hopmannite

hopmannite

Formula
Ba2(Ti5Fe)O13
Mineral

Horiite

horiite

Formula
Ba2Mn2Mn4Ti2(Si2O7)2(PO4)2O2(OH)2
Mineral

Horomanite

horomanite

Formula
Fe6Ni3S8
Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada View window 3.2 x 2.3 mm. Found Nov 1999. MOB coll. Nice pale pink typically twinned xls. Note: Like many REE bearing minerals, the apparent color of horváthite depends on the light source – in this case tungsten. But these xls are pinker than most – at least in my experience. Mineral

Horváthite-(Y)

horváthite-(Y)

Mohs
4
Mineral

Horákite

horákite
White crystal aggregates of the rare aluminium phosphate sulphate from a locality very close to the type locality in Southafrica: Pella, Orange River, Northern Cape Province, South Africa. Mineral

Hotsonite

hotsonite
Mineral

Housleyite

housleyite

Formula
Pb6CuTe4O18(OH)2