's Image Gallery

Hocartite: Ag2FeSnS4  
Rhodostannite: Cu2FeSn3S8

Comments: B&W image of hocartite (hc) and rhodostannite (r) in sphalerite (s) and pyrite (p). (Mineralogical Journal, v15:222).
Location: Toyoha mine, SW Sapporo City, Hokkaido, Japan. Scale: Scale Bar 50µm.
© Mineralogical Journal

Hochelagaite: (Ca,Na,Sr)Nb4O11·8(H2O)

Comments: White aggregate of small fibrous crystals of hochelagaite in matrix.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Hodgkinsonite: MnZn2SiO4(OH)2  
Hetaerolite: ZnMn+++2O4

Comments: Dark crystal of hetaerolite on hodgkinsonite.
Location: Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hodgkinsonite: MnZn2SiO4(OH)2

Comments: Pink, transparent crystal of hodgkinsonite with franklinite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hodrushite: Cu8Bi12S22  
Cupromakovickyite: Cu4AgPb2Bi9S18

Comments: Kup?cíkite (ku) and hodrushite (ho) partly replaced by bismuthinite derivative (bd56) with relict lamellae of low-Cu (4P) and cupromakovickyite [4P(Cu,Pb)]. (CanMin, 41:1165).
Location: Scheelite deposit of Felbertal, Austria. Scale: Scale Bar 100 µm.
© Canadian Mineralogist

Hoelite: (C6H4)2(CO)2

Comments: Yellow acicular crystals of hoelite with blocky yellow crystals of sulfur.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 10 mm.
© Thomas Witzke / Abraxas-Verlag

Hogtuvaite: (Ca,Na)2(Fe++,Fe+++,Ti,Mg,Mn)6(Si,Be,Al)6O20

Comments: Dark platy crystals of hogtuvaite in matrix.
Location: Hogtuva, Mo i Rana, Nordland, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hohmannite: Fe+++2(SO4)2(OH)2·7(H2O)  
Metahohmannite: Fe+++2[O(SO4)2]·4(H2O)

Comments: Orange opaque prismatic microcrystals of hohmannite mixed with yellow metahohmanite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Holdawayite: Mn++6(CO3)2(OH)7(Cl,OH)

Comments: Compact platy crystalline holdawayite. Colorless when thin, but brown when thick.
Location: Kombat, Namibia. Scale: See Image.
© Rruff Database

Holdenite: (Mn,Mg)6Zn3(AsO4)2(SiO4)(OH)8

Comments: Pink translucent holdenite vein with red willemite and black franlinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Holfertite: U++++++1.75TiCa0.25 O7.5(H2O)3

Comments: Yellow prismatic micro crystal of holfertite on clear topaz.
Location: Starvation Canyon, Topaz Valley, Juab Co., Utah, USA. Scale: Crystal size 0.5 mm.
© Tom Loomis / Dakota Matrix

Hollandite: Ba(Mn++++,Mn++)8O16

Comments: Gray, feathery aggregates of hollandite.
Location: Sieben Brüder Mine, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Hollingworthite: (Rh,Pt,Pd)AsS  
Laurite: RuS2

Comments: Gray grain of hollingworthite (in the center of the picture) with very slightly darker gray laurite (at the right margin). Polished section (from microprobe analysis).
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag

Hollingworthite: (Rh,Pt,Pd)AsS  
Laurite: RuS2

Comments: Gray laurite with two smaller grains of hollingworthite (left and right from the laurite, very slightly lighter gray). Polished section (from microprobe analysis) in reflected light.
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.15 mm.
© Thomas Witzke / Abraxas-Verlag

Holmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2

Comments: Greenish-black prismatic crystals of holmquistite in matrix.
Location: Uto, Sodermanland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Holmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2  
Magnesioholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2

Comments: Dark blue thin bladed crystals of holmquistite (magnesioholmquistite) in amphibolite.
Location: Uto, Sodermanland, Sweden. Scale: See Image.
© Rruff Database

Holtedahlite: Mg12(PO3OH,CO3)(PO4)5(OH,O)6

Comments: Colorless glassy crystalline granular holtedahlite (appears gray in image) with yellow serpentinite rock and white apatite.
Location: Tingelstadtjern, Modum, Buskerud, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Holtite: Al6(Al,Ta)(BO3)[(SiO4,SbO4,AsO4)]3(O,OH)3

Comments: Pale violet crystalline granular holtite in pegmatite.
Location: Vasin-Myl'k Mountain, Voron'i Tundry, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Homilite: Ca2(Fe++,Mg)B2Si2O10

Comments: Brown crystalline masses of homilite in white feldspar.
Location: Aroy, Langesundfjord, Telemark, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Honessite: Ni6Fe+++2(SO4)(OH)16·4(H2O)

Comments: Medium green honessite pseudomorphous after acicular millerite crystals, in white calcite.
Location: Troy, Lincoln County, Missouri, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species