Helvite Mn4 Be3 (SiO4 )3 S
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—
Open
12 mm crystal of Helvite (orange) in matrix of feldspar (pink) with microcrystals of muscovite (green), from Tongbai County, Nanyang Prefecture, Henan Province, China
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
0
PL
Sulphide , Silicate
Hematite Fe2 O3
Hematite (group) , Iron(III) oxide Titanohematite , Specularite
Open
Specimen of hematite, from Paraburdoo, Western Australia. Specimen M 41658, Museums Victoria.
©
Photo by John Bosworth, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
2
1
SXES
Mineral, Simple oxide
Hemimorphite Zn4 (Si2 O7 )(OH)2 ·H2 O
Minerals containing H2O , Minerals containing OH —
1
0
PL
Hydroxide , Mineral, Hydrated , Silicate
Herderite CaBe(PO4 )F
Herderite (subgroup) , Minerals containing PO4 —
Open
Herderite specimen from the Shigar Valley, Skardu District, Baltistan, Pakistan
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
6
0
PL, PL/XL
Mineral, Phosphate , Orthophosphate
Hibonite Ca0.98 Mn0.02 Al12 O19 , Ca[Al12 ]O19
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—
Open
Hibonite, 1.6 cm sharp & lustrous crystal, from Esiva eluvials, Maromby Commune, Amboasary District, Anosy (Fort Dauphin) Region, Tuléar Province, Madagascar
©
Photo by Kelly Nash - http://www.mindat.org/photo-171147.html, CC BY 3.0
10
0
CL/OM, PL
Mineral
Hiddenite LiAlSi2 O6
Spodumene —
Open
Crystals of spodumene (var. hiddenite) with albite and smoky quartz, from Paprok Mine, Kamdesh District, Nuristan Province, Afghanistan
©
Photo by Parent Géry, CC BY-SA 3.0
5
1
CL/SEM
Silicate , Variety
Hieratite K2 SiF6
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—
3
0
IR
Mineral, Halide
Hiortdahlite Na2 Ca4 (Ca0.5 Zr0.5 )Zr(Si2 O7 )2 OF3
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—
Open
Crystal of hiortdahlite (yellow) in sanidinite matrix, from San Vito Quarry, Mount Vesuvius, Campania, Italy
©
Photo by Joan Rosell, from rosellminerals.com, CC BY-SA 4.0
8
0
PL, PL/XL
Mineral, Silicate
Holmium ultraphosphate HoP5 O14
REE ultraphosphate —
8
2
CL/SEM, SXES
Phosphate , Synthetic , Compound , Ultraphosphate , Ho
Holmquistite ☐Li2 (Mg3 Al2 )Si8 O22 (OH)2
Minerals containing OH —
Open
Holmquistite, from Foote Mineral Co. Spodumene Mine, near Kings Mountain, Cleveland Co., NC, USA
©
Photo courtesy the Smithsonian Institution. CC0
0
1
Reflectance
Hydroxide , Mineral, Aluminosilicate
Howlite Ca2 SiB5 O9 (OH)5
Minerals containing OH —
Open
A nodule of howlite, from the Wentworth area, Hants County, Nova Scotia, Canada
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
3
0
PL, PL/XL
Hydroxide , Mineral, Borosilicate
Hsianghualite Li2 Ca3 Be3 (SiO4 )3 F2
Zeolite (group) , Minerals containing SiO4 —
Open
Hsianghualite (white), from Xianghualing, Hunan Province, China. Specimen size 1.5 cm
©
Photo by Strickja , Public Domain
5
0
PL/XL
Mineral, Silicate
Hyalotekite (Ba,Pb,K)4 (Ca,Y)2 (B,Be)2 (Si,B)2 Si8 O28 F
Hyalotekite (group) —
Open
Outstanding vitreous colorless crystals of the very rare mineral hyalotekite from one of the only 3 known localities worldwide: Artillery Peak, Artillery Mountains, Mohave County, Arizona, United States of America. Associated to minoritary blue kinoite. E
©
Photo by David Hospital, via Wikimedia Commons, CC-BY-SA-4.0
5
0
PL
Mineral, Borosilicate
Hydroboracite CaMg[B3 O4 (OH)3 ]2 ·3H2 O
Minerals containing H2O , Minerals containing OH —
1
0
PL
Hydroxide , Mineral, Hydrated , Borate
Hydrocerussite Pb3 (CO3 )2 (OH)2
Minerals containing CO3 , Minerals containing OH —
Open
Hydrocerussite from Passa Limani Cove slag locality, Lavrion District, Attikí Prefecture, Greece
©
(C) 2010 Christian Rewitzer, via Wikimedia Commons. CC-BY-SA-3.0
1
0
PL/Laser
Carbonate , Hydroxide , Mineral
