Mineral Specimen Images (H)

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

Howlite: Ca2B5SiO9(OH)5

Comments: Silky nodule of howlite.
Location: Windsor, Nova Scotia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hsianghualite: Ca3Li2Be3(SiO4)3F2

Comments: White crystalline areas of hsianghualite in dark green chloritic schist(?).
Location: Xianghualing Mine, Hunan, Central South Region, China. Scale: Not Given.
© Tom Loomis / Dakota Matrix

Huanghoite-(Ce): BaCe(CO3)2F  
Zhonghuacerite-(Ce): Ba2Ce(CO3)3F

Comments: Brown grains of zhonghuacerite-(Ce) in matrix. This type material may be Huanghoite-(Ce).
Location: Bayan Obo iron mine, Baotou, Inner Mongolia, China. Scale: Not Given.
© Diederik Visser

Huangite: Ca0.5Al3(SO4)2(OH)6

Comments: BSE image of alunite (light gray), natroaluminite (dark gray), minamiite (gray slender zone banded by natroaluminite), and huangite (medium gray).
Location: Sulfuric altered andesite, Okumanza, Gunma Prefecture, Japan. Scale: Picture Size 0.31 x 0.24 mm.
© Mineralogical Journal

Hubeite: Ca2Mn++Fe+++Si4O12(OH)(H2O)2  
Inesite: Ca2Mn7Si10O28(OH)2·5(H2O)

Comments: Brown hubeite aggregates accompanied by prismatic pinkish inesite crystals.
Location: Fengjiashan Mine, Daye, Hubei China. Scale: 5.3 x 3.7 x 1.1 cm.
© Fabre Minerals

Hubeite: Ca2Mn++Fe+++Si4O12(OH)(H2O)2  
Inesite: Ca2Mn7Si10O28(OH)2·5(H2O)

Comments: Translucent, deep root beer brown, platy hueite crystals in fan-like groups to 1mm with delicate pink laths of inesite.
Location: Fengjiashan Mine, Daye Co., Huangshi Prefecture, Hubei Province, China. Scale: Picture Size 5 mm.
© Tom Loomis / Dakota Matrix

Hubnerite: MnWO4

Comments: Sharp, dark tabular crystals of hübnerite with pyrite.
Location: Cavnic, Romania. Scale: Crystal size 2 cm.
© John Attard

Huemulite: Na4Mg(V10O28)·24(H2O)

Comments: Brownish orange aggregate of huemulite crystals.
Location: Walker mine, Thompson, Grand County, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hulsite: (Fe++,Mg)2(Fe+++,Sn)O2(BO3)

Comments: Black crystalline granular massive hulsite.
Location: Brooks Range, Seward Peninsula, Alaska, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Humberstonite: K3Na7Mg2(SO4)6(NO3)2·6(H2O)

Comments: White powdery aggregate of humberstonite.
Location: Oficina Alemanin, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Humboldtine: Fe++(C2O4)·2(H2O)

Comments: Yellow crystals of humboldtine.
Location: Lomnice, Sokolov, Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Humite: (Mg,Fe++)7(SiO4)3(F,OH)2

Comments: Striated, brown, tabular crystals of humite.
Location: Monte Somma (Vesuvius), Campania, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hummerite: KMgV+++++5O14·8(H2O)

Comments: Orange-yellow hummerite on fossil wood.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Specimen size 65 mm.
© Thomas Witzke / Abraxas-Verlag

Hunchunite: (Au,Ag)2Pb

Comments: Bluish-gray hunchunite in a polished section in reflected light.
Location: Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Urals Region, Russia. Scale: Picture size 0.2 mm.
© Thomas Witzke / Abraxas-Verlag

Huntite: CaMg3(CO3)4

Comments: pure white chalky massive huntite.
Location: Near Austin, Lander County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hureaulite: Mn5(PO3OH)2(PO4)2·4(H2O)

Comments: Pink crystals of hureaulite on matrix.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hureaulite: Mn5(PO3OH)2(PO4)2·4(H2O)  
Tavorite: LiFe+++(PO4)(OH)

Comments: Lime green tavorite micro crystals with pink, gemmy hureaulite.
Location: Tip Top mine, Custer Co., South Dakota, United States. Scale: Picture size 1.0 cm.
© Tom Loomis / Dakota Matrix

Hurlbutite: CaBe2(PO4)2  
Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)

Comments: White, round crystal clusters of hurlbutite on reddish brown roscherite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hutchinsonite: (Pb,Tl)2As5S9

Comments: Dark, striated, prismatic crystal of hutchinsonite on matrix.
Location: Quiruvica, La Libertad Dept., Peru. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals