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Hexahydroborite: Ca[B(OH)4]2·2(H2O)
Comments: White to translucent hexahydroborite. Location: Solongo B deposit, Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Hexamolybdenum: (Mo,Ru,Fe,Ir,Os) Allendeite: Sc4Zr3O12
Comments: BSE image of the refractory inclusion in the Allendeite meteorite containing allendeite (BSE bright phase) and hexamolybdenum (BSE bright phase). Location: Allende meteorite, Pueblito de Allende, Chihuahua, Mexico.. Scale: See Image. © Lunar and Planetary Science Instutute
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
Heyrovskyite: Pb10AgBi5S18
Comments: Metallic, gray heyrovskyite in quartz. Location: Hűrky u Cistá, Velká Chmelistná (Großmeleschen), Rakovnik, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Hiarneite: (Ca,Mn,Na)2(Zr,Mn+++)5(Sb,Ti,Fe)2O16
Comments: A bright red single grain of hiarneite about 0.25mm in matrix with magnetoplumbite. Location: Langban, Varmland, Sweden. Scale: Picture size 2 mm. © Tom Loomis / Dakota Matrix
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
Hibonite: (Ca,Ce)(Al,Ti,Mg)12O19
Comments: Crystalline spire-like specimen of hibonite. Location: Ambindandrakemba, Madagascar. Scale: 2.1 x 1.5 cm. © John Veevaert
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
Hidalgoite: PbAl3(AsO4)(SO4)(OH)6
Comments: White to light gray crystalline druze of hidalgoite. Location: Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 3 mm. © Thomas Witzke / Abraxas-Verlag
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
Hilairite: Na2ZrSi3O9·3(H2O)
Comments: Brown-yellow hilairite grains with white, prismatic natrolite crystals. Location: Malerod, Larvik, Norway. Scale: See Box (2 x 2 cm). © Sonke Stolze / Systematic Minerals
Hilgardite: Ca2B5O9Cl·(H2O) Boracite: Mg3B7O13Cl
Comments: Sub-mm reddish orange crystals of hilgardite on white boracite. Location: Boulby Mine, Loftus, Cleveland, Great Britain. Scale: 1.5 x 2.5 cm. © John Veevaert
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
Hillite: Ca2(Zn, Mg)[PO4]2·2(H2O) Scholzite: CaZn2(PO4)2·2(H2O)
Comments: Morphology of a homogeneous larger cluster of hillite growing on an acicular crystal of scholzite. SEM back-scattered electron image. Location: Lower Cambrian Parachilna Formation, Reaphook Hill, South Australia, Australia. Scale: See Image. © Canadian Mineralogist
Hingganite-(Ce): (Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2
Comments: Group of hinnganite-(Ce) dipyramidal crystals, etched from calcite-filled cavity in epidote-quartz metasomatites is covered by yellow spherulitic hydromuscovite. Formed by replacement of rare metal alkalic granitic pegmatite. Location: Western ore zone dumps, trench #2, Tsakhirin Khuduk Y-Zr-Nb deposit, Khaldzan Buragtag massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Not Given. © Pavel M. Kartashov
Hingganite-(Y): Y2([ ])Be2Si2O8(OH)2
Comments: Group of prismatic hingganite-(Y) crystals. Location: Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy. Scale: Crystal Size 2 mm. © Sergey Vasiliev / Systematic Mineralogy
Hinsdalite: (Pb,Sr)Al3(PO4)(SO4)(OH)6
Comments: Transparent crystal of hinsdalite on quartz. Location: Butte, Silver Bow County, Montana, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
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
Hiortdahlite: (Ca,Na,Y)3(Zr,Ti)Si2O7(F,O,OH)2
Comments: Yellow translucent crystals of hiortdahlite in syenite matrix. Location: Norra Karr, Granna, Jonkoping, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hisingerite: Fe+++2Si2O5(OH)4·2(H2O)
Comments: Resinous reddish brown coatings of hisingerite on rock. Location: Agnew Nickel Deposit, near Leinster, Western Australia, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species