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Hematolite: (Mn,Mg,Al)15(AsO3)(AsO4)2(OH)23
Comments: Reddish-orange granular hematolite in white quartz. Location: Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hematophanite: Pb4Fe+++3O8(OH,Cl)
Comments: Deep red earthy hematophanite in manganese ore matrix. Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2 Celsian: BaAl2Si2O8
Comments: Gray massive celsian with dark red hendricksite. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2
Comments: Reddish black hendricksite crystal in cream-colored willemite. Location: 'Mill Site', Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Heneuite: CaMg5(PO4)3(CO3)(OH) Raadeite: Mg7(PO4)2(OH)8
Comments: Translucent aqua colored greasy heneuite grain, surrounded by beige rim of raadeite, with dark blue phosphoellenbergerite inclusion (near top of heneuite), in quartz apatite rock. Location: Tingelstadt Iron Mine, Modum, Buskerud, Norway. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hentschelite: Cu++Fe+++2(PO4)2(OH)2
Comments: Dark green botryoidal hentschelite in transparent quartz. Location: Spring Creek Mine, near Wilmington, South Australia, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hercynite: Fe++Al2O4
Comments: Brownish black granular hercynite. Location: Nacetin, Severocesky, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hessite: Ag2Te Choloalite: CuPb(Te++++O3)2
Comments: Sparse green crusts of choloalite with metallic hessite. Location: McAlpine Mine, Tuolumne County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Heteromorphite: Pb7Sb8S19
Comments: Steel gray metallic acicular crystal mat of heteromorphite on clear calcite crystals. Location: Wolfsberg, Harz Mountains, Niedersachsen, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Heterosite: Fe+++PO4 Alluaudite: NaCaFe++(Mn,Fe++,Fe+++,Mg)2(PO4)3
Comments: Purple crystalline heterosite with yellow coatings of alluaudite. Location: Palermo Mine, North Groton, Grafton County, New Hampshire, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Heterosite: Fe+++PO4 Graftonite: (Fe++,Mn,Ca)3(PO4)2
Comments: Whitish graftonite intergrown with dark purple to brown heterosite. Location: Grafton, Grafton County, New Hampshire, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hewettite: CaV6O16·9(H2O) Fervanite: Fe+++4(VO4)4·5(H2O)
Comments: Spherical aggregate of acicular microcrystals of fervanite with blocky hewettite. Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hewettite: CaV6O16·9(H2O)
Comments: Red sub-metallic fibrous mats of hewettite on matrix. Location: Cactus Rat Mine, Thompson's District, Grand Count, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hexahydrite: MgSO4·6(H2O)
Comments: White fibrous mats and powdery encrustation of hexahydrite on matrix. Location: near Basque, Bonaparte River, British Columbia, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Heyite: Pb5Fe++2(VO4)2O4
Comments: Mustard yellow colored microcrystalline aggregates of heyite on quartz. Location: Betty Joe Claim, near Ely, White Pine County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hibbingite: (Fe,Mg)2(OH)3Cl
Comments: Orange crystalline hibbingite grains in rock matrix. Location: 900' level drill core, Duluth Complex, near Hibbing, Saint Louis County, Minnesota, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hibschite: Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5)
Comments: Deep red translucent dodecahedral crystals of hibschite. Location: Monte Faiello, Liguria, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hieratite: K2SiF6
Comments: Opaque white crystalline stalactic aggregate of hieratite. Location: Shamokin, Northumberland County, Pennsylvania, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hillebrandite: Ca6Si3O9(OH)6
Comments: Opaque white fibrous hillebrandite on marble. Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hinsdalite: (Pb,Sr)Al3(PO4)(SO4)(OH)6 Corkite: PbFe+++3(PO4)(SO4)(OH)6
Comments: Small brown rounded translucent crystals of corkite on darker brown botryoidal hinsdalite. Location: Grube Schone Aussicht, near Dernbach, Montabaur, Rheinland-Pflaz, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species