's Image Gallery

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

Hutchinsonite: (Pb,Tl)2As5S9

Comments: Aggregate of red colored needles of hutchinsonite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 6 mm.
© Walter Gabriel

Hutchinsonite: (Pb,Tl)2As5S9

Comments: Transparent, striated, cherry-red crystal of hutchinsonite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 1 mm.
© Walter Gabriel

Hyalophane: (K,Ba)Al(Si,Al)3O8

Comments: Twinned crystal of hyalophane slightly yellow from iron stains.
Location: Sarajevo, Bosnia, Yugoslavia. Scale: 4 x 3 cm.
© Isaias Casanova / IC Minerals

Hydroastrophyllite: (H3O,K)2Ca(Fe+++,Mn)5-6Ti2Si8O26(OH)4F

Comments: Spray of brown hydroastrophyllite in alkaline granite pegmatite matrix.
Location: Western Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x9 mm.
© Pavel M. Kartashov

Hydrobiotite: [K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2]·[(Mg,Fe++,Al)3(Si,Al)4O10(OH)2·4(H2O)]

Comments: Silvery brown micaceous hydrobiotite.
Location: Oaxaca, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydroboracite: CaMgB6O8(OH)6·3(H2O)

Comments: White, acicular crystal clusters of hydroboracite.
Location: U. S. Borax Open Pit, Boron, Kern County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Hydrocalumite: Ca2Al(OH)6[Cl1-x(OH)x]·3(H2O)

Comments: Bright white platy crystal aggregate of hydrocalumite.
Location: Boissejour, Puy-de-Dome, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrocerussite: Pb3(CO3)2(OH)2  
Cerussite: PbCO3

Comments: Platy crystals of milky white hydrocerussite covering cerussite.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: 6 x 5 cm.
© Fabre Minerals

Hydrochlorborite: Ca2B4O4(OH)7Cl·7(H2O)

Comments: White botryoidal crust of hydrochlorborite on massive white anhydrite.
Location: Takuko, Tibet. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrodelhayelite: KCa2AlSi7O17(OH)2·6(H2O)

Comments: Tan platy crystalline hydrodelhayelite in white syenite matrix.
Location: Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrodresserite: BaAl2(CO3)2(OH)4·3(H2O)  
Weloganite: Sr3Na2Zr(CO3)6·3(H2O)

Comments: White spherical aggregates of hydrodresserite with radiating structure with columnar weloganite.
Location: Francon Quarry, Montreal, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydroglauberite: Na4Ca(SO4)3·2(H2O)  
Glauberite: Na2Ca(SO4)2

Comments: Putty-colored chalky hydroglauberite on glauberite crystals.
Location: Camp Verde, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrohalite: NaCl·2(H2O)

Comments: Synthetic crystals of hydrohalite in brine at -15 deg C.
Location: Laboratory-grown sea ice used to investigate the optical properties of cold sea ice. Scale: See Image.
© Bonnie Light / Applied Physics Laboratory U of Washington

Hydrohetaerolite: Zn2Mn+++4O8·(H2O)

Comments: Dull brown patches of hydrohetaerolite in franklinite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrohonessite: Ni6Fe+++2(SO4)(OH)16·7(H2O)

Comments: Yellow to brown crusts of hydrohonessite on matrix.
Location: Otter Shoot, Kambalda, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydromagnesite: Mg5(CO3)4(OH)2·4(H2O)

Comments: White, blocky crystals of hydromagnesite.
Location: Lobming, Styria, Austria. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag