Mineral Specimen Images (H)

Harkerite: Ca24Mg8Al2(SiO4)8(BO3)6(CO3)10·2(H2O)

Comments: B&W PPL image of harkerite (Hrk) and clintonite (Cln) aggregate with inclusions of spinel (Spl) in Crestmore marble #2A Mgt: magnetite, Anh: anhydrite, Cal: calcite.
Location: Low-pressure contact aureole in the Crestmore quarry, Riverside County, California, USA. (CanMin, v37:277). Scale: See Image.
© Canadian Mineralogist

Harkerite: Ca24Mg8Al2(SiO4)8(BO3)6(CO3)10·2(H2O)

Comments: B&W PPL image of harkerite (Hrk) and clintonite (Cln) aggregate with inclusions of spinel (Spl) in Crestmore marble #2A Mgt: magnetite, Anh: anhydrite, Cal: calcite.
Location: Low-pressure contact aureole in the Crestmore quarry, Riverside County, California, USA. (CanMin, v37:277). Scale: See Image.
© Canadian Mineralogist

Harmotome: (Ba,Na,K)1-2(Si,Al)8O16·6(H2O)

Comments: Root beer colored calcite covered with harmotome crystals from 1 mm to 1 cm.
Location: Strontian Hills, Strontian, Argyll, Scotland. Scale: 5.5 x 4.5 cm.
© John Veevaert

Harmotome: (Ba,Na,K)1-2(Si,Al)8O16·6(H2O)

Comments: Root beer colored calcite covered with harmotome crystals from 1 mm to 1 cm.
Location: Strontian Hills, Strontian, Argyll, Scotland. Scale: 5.5 x 4.5 cm.
© John Veevaert

Harrisonite: Ca(Fe++,Mg)6(PO4)2(SiO4)2

Comments: Glassy brown crystalline harrisonite grains in matrix.
Location: Arcedeckne Island, District of Franklin, Northwest Territories, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Harrisonite: Ca(Fe++,Mg)6(PO4)2(SiO4)2

Comments: Glassy brown crystalline harrisonite grains in matrix.
Location: Arcedeckne Island, District of Franklin, Northwest Territories, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hartite: C20H34

Comments: White, translucent waxy crystalline hartite in wood.
Location: Santa Barbara Mine, San Giovanni Valdarno, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hartite: C20H34

Comments: White, translucent waxy crystalline hartite in wood.
Location: Santa Barbara Mine, San Giovanni Valdarno, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hashemite: Ba(Cr,S)O4

Comments: Scanning electron micrograph of a hashemite crystal with common faces labeled. AmMin v68:1223.
Location: Discovered in specimens from building stone quarries, 60 km southeast of Amman, in west-central Jordan. Scale: Picture Size 100 µm.
© American Mineralogist

Hashemite: Ba(Cr,S)O4

Comments: Scanning electron micrograph of a hashemite crystal with common faces labeled. AmMin v68:1223.
Location: Discovered in specimens from building stone quarries, 60 km southeast of Amman, in west-central Jordan. Scale: Picture Size 100 µm.
© American Mineralogist

Hastingsite: NaCa2(Fe++4Fe+++)Si6Al2O22(OH)2

Comments: Greenish-white fibrous mass of hastingsite.
Location: Calamite Mine, Elba, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hastingsite: NaCa2(Fe++4Fe+++)Si6Al2O22(OH)2

Comments: Greenish-white fibrous mass of hastingsite.
Location: Calamite Mine, Elba, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hatchite: (Pb,Tl)2AgAs2S5

Comments: Specular, black aggregate of hatchite crystals with red realgar on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Big crystal 1.5 mm.
© Walter Gabriel

Hatchite: (Pb,Tl)2AgAs2S5

Comments: Specular, black aggregate of hatchite crystals with red realgar on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Big crystal 1.5 mm.
© Walter Gabriel

Hatchite: (Pb,Tl)2AgAs2S5

Comments: Platy microcrystal aggregate of hatchite.
Location: Lengenbach Quarry, Binnental, Valais, Switzerland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hatchite: (Pb,Tl)2AgAs2S5

Comments: Platy microcrystal aggregate of hatchite.
Location: Lengenbach Quarry, Binnental, Valais, Switzerland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hauchecornite: Ni9Bi(Sb,Bi)S8

Comments: B&W polished section image showing arsenian hauchecornite (hc) with bornite (bn). (Mineralogical Journal, v9:199).
Location: Tsumo mine, Shimane Prefecture, Japan. Scale: See Image.
© Mineralogical Journal

Hauchecornite: Ni9Bi(Sb,Bi)S8

Comments: B&W polished section image showing arsenian hauchecornite (hc) with bornite (bn). (Mineralogical Journal, v9:199).
Location: Tsumo mine, Shimane Prefecture, Japan. Scale: See Image.
© Mineralogical Journal

Hauckite: (Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81 (?)

Comments: Orange-yellow crystalline hauckite with pink calcite and black franklinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hauckite: (Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81 (?)

Comments: Orange-yellow crystalline hauckite with pink calcite and black franklinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species