Mineral Specimen Images (H)

Heterogenite-2H: Co+++O(OH)

Comments: Shiny black botryoidal heterogenite-2H.
Location: Star of the Congo mine, Katanga, Congo. Scale: 6 cm.
© John Attard

Heterogenite-3R: Co+++O(OH)

Comments: Black, botryodal heterogenite with green chrysocolla.
Location: Star of the Congo Mine, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre). Scale: Specimen Size 11.6 x 9.9 x 5.6cm.
© Rob Lavinsky

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

Heulandite-Ba: (Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O)

Comments: BSE image of a heulandite crystal. Darker areas are enriched in Ca and Sr, while lighter areas are enriched in Ba. (Eur. J. Mineral, v17:143).
Location: Northern Ravnås silver prospect, southern Vinoren, Flesberg community, Buskerud county, Norway. Scale: Scale bar is 0.1 mm.
© Eur. J. Mineral

Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Crystals of heulandite with a green color due to chlorite inclusions.
Location: Malagaon, India. Scale: 5 x 4.5 x 3 cm.
© Isaias Casanova / IC Minerals

Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)  
Mordenite: (Ca,Na2,K2)Al2Si10O24·7(H2O)

Comments: White, acicular crystals of mordenite in heulandite geode.
Location: Rock Creek, Stevenson, Skamania County, Washington, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)  
Mordenite: (Ca,Na2,K2)Al2Si10O24·7(H2O)

Comments: Pink heulandite crystals up to 15 mm in fibrous white mordenite matrix.
Location: Rats Nest Claim, Challis, Custer Co., Idaho, USA. Scale: 6x6x4 cm.
© John Betts - Fine Minerals

Heulandite-K: (K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Coating of orange heulandite-K crystals on matix.
Location: Albero Bassi, Vicenza, Veneto, Italy. Scale: See Image.
© Rruff Database

Heulandite-Na: (Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Orange tabular crystals of heulandite-Na lining a vug.
Location: Warm Spring Creek, Challis, Custer County, Idaho, USA. Scale: See Image.
© Rruff Database

Heulandite-Sr: (Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Colorless prismatic-pinacoidal crystal of heulandite-Sr.
Location: Campegli mine, Sestri Levante, Genova province, Liguria, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

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

Hexaferrum: (Fe,Os,Ru,Ir)

Comments: Polished section showing a white euhedral crystal of hexaferrum in gray chromite.
Location: Pole Corral Pass, Rattlesnake Creek Terrane, Beegum, California, USA. Scale: Picture size 14 mm.
© Thomas Witzke

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

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: Hûrky u Cistá, Velká Chmelistná (Großmeleschen), Rakovnik, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag