Mineral Specimen Images (H)

Mineral Specimen Images (H)
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Mineral Specimen Images (H) With 422 Images

Holmquistite Image

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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

Holmquistite Image

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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

Holtedahlite Image

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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

Holtedahlite Image

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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 Image

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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

Holtite Image

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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 Image

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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

Homilite Image

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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 Image

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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

Honessite Image

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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

Hongshiite Image

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Hongshiite: PtCu  
Palladodymite: (Pd,Rh)2As  
Ruthenium: (Ru,Ir,Os)

Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Hongshiite Image

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Hongshiite: PtCu  
Palladodymite: (Pd,Rh)2As  
Ruthenium: (Ru,Ir,Os)

Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Hopeite Image

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Hopeite: Zn3(PO4)2·4(H2O)

Comments: Brownish pink, transparent crystalline aggregate of hopeite crystals.
Location: Broken Hill mine, Kabwe, Central, Zambia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hopeite Image

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Hopeite: Zn3(PO4)2·4(H2O)

Comments: Brownish pink, transparent crystalline aggregate of hopeite crystals.
Location: Broken Hill mine, Kabwe, Central, Zambia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hornesite Image

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Hornesite: Mg3(AsO4)2·8(H2O)

Comments: Aggregate of white pearly platy crystals of hornesite on matrix.
Location: Bauhaus, Richelsdorf, Hessen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hornesite Image

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Hornesite: Mg3(AsO4)2·8(H2O)

Comments: Aggregate of white pearly platy crystals of hornesite on matrix.
Location: Bauhaus, Richelsdorf, Hessen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Horvathite-(Y) Image

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Horvathite-(Y): NaY(CO3)F2

Comments: Blocky crystals of horvathite-(Y) in matrix.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Horvathite-(Y) Image

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Horvathite-(Y): NaY(CO3)F2

Comments: Blocky crystals of horvathite-(Y) in matrix.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Howieite Image

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Howieite: Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13

Comments: Black vitreous radiating crystalline howieite.
Location: Longvale Quarry, Mendocino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Howieite Image

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Howieite: Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13

Comments: Black vitreous radiating crystalline howieite.
Location: Longvale Quarry, Mendocino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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