's Image Gallery

Gutsevichite: Al3(PO4)2(OH)3·8(H2O)

Comments: White efflorescence of gutsevichite on sandstone.
Location: Long Park, Uravan, Montrose County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gypsum: CaSO4·2(H2O)

Comments: Bladed rosettes of gypsum.
Location: unknown. Scale: Specimen size 6 cm.
© Dave Barthelmy

Gypsum: CaSO4·2(H2O)

Comments: Pencil-sized acicular crystals of gypsum.
Location: Naica, Chihuahua, S.A., Mexico. Scale: Specimen size 5 cm.
© Dave Barthelmy

Gyrolite: NaCa16Si23AlO60(OH)8·64(H2O)

Comments: Two round beige gyrolite aggregates each about 5cm diameter.
Location: Bombay, India. Scale: Specimen size 10cm.
© John Attard

Hafnon: HfSiO4

Comments: Colorless unconsolidated hafnon grains, sample is from Speer and Cooper (1982).
Location: Synthetic from Alex Speer. Scale: See Image.
© Rruff Database

Hagendorfite: NaCaMn(Fe++,Fe+++,Mg)2(PO4)3

Comments: Greenish-black massive hagendorfite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrauß, Oberpfalz, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Haggertyite: Ba[Fe++6Ti5Mg]O19

Comments: Backscattered electron photomicrograph showing a hexagonal haggertyite crystal (white) in contact with richterite (light gray) and serpentized olivine (dark gray). (AmMin, v 83, p 1324).
Location: Prairie Creek lamproite, Arkansas, USA. Scale: See Image.
© American Mineralogist

Haggite: V2O2(OH)3

Comments: Black botryoidal to massive haggite in beige calcite with yellowish tyuyamunite.
Location: Section 33 Mine, near Grants, Valencia County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haidingerite: Ca(AsO3OH)·(H2O)  
Pharmacolite: CaHAsO4·2(H2O)

Comments: Translucent colorless crystalline spherical aggregate of haidingerite with white pharmacolite.
Location: Jachymov, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haineaultite: (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O)

Comments: Transparent, yellow crystals to 5 mm of haineaultite on matrix.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Picture size 1.5 cm.
© Rob Lavinsky

Hainite: Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8

Comments: Brownish-yellow crystal of hainite in pegmatite matrix.
Location: Bortolan Quarry, Pocos de Caldos, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haiweeite: Ca[(UO2)2Si5O12(OH)2]·3(H2O)

Comments: Minute divergent acicular crystals of white haiweeite on matrix.
Location: Coso Uranium Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haiweeite: Ca[(UO2)2Si5O12(OH)2]·3(H2O)  
Metahaiweeite: Ca(UO2)2Si6O15·n(H2O), n<5

Comments: Pale yellow scaly metahaiweeite coating on quartz with minute haiweeite acicular crystals.
Location: Coso Uranium Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haiweeite: Ca[(UO2)2Si5O12(OH)2]·3(H2O)

Comments: Yellow, spherical, aggregates of acicular haiweeite with clear calcite scalenohedrons.
Location: Teofilo Otoni, Minas Gerais, Brazil.. Scale: Picture size 1 cm.
© Paul M. Schumacher

Hakite: (Cu,Hg)3(Sb,As)(Se,S)3  
Chrisstanleyite: Ag2Pd3Se4

Comments: Polished section showing chrisstanleyite (chr) is present as a single grain intergrown with clausthalite (cl) and eucairite (eu). cp (chalcopyrite), ha (hakite), di (selenian digenite), bo (bornite). (CanMin, v43:689).
Location: Low-temperature selenium-rich assemblage at Predborice, Czech Republic. Scale: See Image.
© Canadian Mineralogist

Hakite: (Cu,Hg)3(Sb,As)(Se,S)3  
Giraudite: (Cu,Zn,Ag)12(As,Sb)4(Se,S)13

Comments: Polished Section image of giraudite-hakite (gir-hak) with berzelianite (bzl ) and galena (gln). (CanMin, v40:1161).
Location: Niederschlema-Alberoda uranium deposit, Erzgebirge, Germany. Scale: See Image.
© Canadian Mineralogist

Haleniusite-(La): (La,Ce)OF

Comments: Secondary electron microscope (SEM) image showing tabular brochantite crystals growing on a featureless håleniusite-(La) substrate. (CanMin 42:1099).
Location: Mine dumps of Bastnäs deposit, Skinnskatteberg District, Västmanland County, Sweden. Scale: Scale Bar 100 µ-m.
© Canadian Mineralogist

Haleniusite-(La): (La,Ce)OF

Comments: Back-scattered electron (BSE) micrograph of a section of bastnäsite-(La) showing partial alteration to håleniusite-(La), which is white on the image. Black areas are voids. (CanMin 42:1099).
Location: Mine dumps of Bastnäs deposit, Skinnskatteberg District, Västmanland County, Sweden. Scale: Scale Bar 100 µ-m.
© Canadian Mineralogist

Halite: NaCl

Comments: Hoppered pink halite crystals from the evaporation ponds. The pink color is due to the organism Halo bacterium that lives in the concentrated brine.
Location: Searles Lake, Trona, San Bernadino County, California, USA. Scale: Crystal size 2 cm.
© John Veevaert

Hallimondite: Pb2(UO2)(AsO4)2

Comments: Yellow scaly crusts of hallimondite.
Location: Ellweiler, near Richenbach, Rheinland-Pfalz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species