Grossular Ca3 Al2 (SiO4 )3
Minerals containing SiO4 , Andradite-Grossular (series) , Garnet Hydrogrossular
Open
Specimen of grossular, from Khalola hill near Sassi, Gilgit- Baltistan, Pakistan. Specimen M 38031, Museums Victoria.
©
Photo by John Bosworth, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
2
3
CL, EDS
Mineral, Aluminosilicate
Grunerite ☐FeII 2 FeII 5 Si8 O22 (OH)2
Minerals containing OH , Cummingtonite-Grunerite (series) , Mg-Fe-Mn amphibole Amosite
Open
Spray of crystals Grunerite on matrix; Photo and collection Fernando Brederodes. From Michigamme Mine, Marquette Co., Michigan, USA
©
(C) 2014 Fernando Brederodes (via Wikimedia Commons). Public Domain.
2
0
Reflectance
Hydroxide , Mineral, Silicate
Gypsum Ca(SO4 )·2H2 O
Gypsum (supergroup) , Calcium sulphate , Minerals containing SO4 , Minerals containing H2O Selenite
Open
Image of a specimen of gypsum (M 47268, Museums Victoria), from Selwyn, Queensland, Australia
©
Photograph by John Broomfield, Museums Victoria, CC-BY
27
0
IR, PL, Raman, Reflectance
Mineral, Sulphate , Hydrated
Hackmanite Na8 Al6 Si6 O24 (Cl2 ,S)
Sodalite —
Open
Sodalite (var. Hackmanite) specimen from Kiran, Koksha Valley, Badakhshan Province, Afghanistan
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
23
0
PL, PL/Laser, PL/UV
Aluminosilicate , Variety
Hafnium Hf
—
—
Open
A sample of a 1,7kg Hafnium crystal bar, made by van Arkel-de Boer process.
©
(C) 2009 Alchemist-hp (www.pse-mendelejew.de), via Wikimedia Commons. CC-BY-SA-3.0 DE
15
2
SXES
Element , Metal
Halite NaCl
Halite (group) —
Open
Halite specimen from Stassfurt Potash deposit, Saxony-Anhalt, Germany. Size: 6.7 x 1.9 x 1.7 cm
©
2010 Rob Lavinsky,ﾠiRocks.com, CC-BY-SA-3.0
17
2
CL/SEM
Mineral, Halide
Halloysite Al2 Si2 O5 (OH)4
Kaolinite (subgroup) , Minerals containing OH —
Open
Optical micrograph of Halloysite [Al2Si2O5(OH)4] in 'P-0433 Halloysite' standard (CSIRO) from Beez, Namur Province, Belgium. Instrument: Olympus BX-51. Date: November 2024.
©
(C) 2024 CSIRO Mineral Resources. All rights reserved.
1
0
PL
Hydroxide , Mineral, Aluminosilicate
Halurgite Mg4 [B8 O13 (OH)2 ]2 ·7H2 O
Minerals containing OH , Minerals containing H2O —
Open
White globular aggregate of the very rare Mg borate halurgite from the type and only known locality worldwide: Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Province, Kazakhstan. Ex Vandenbroucke Museum collection from Waregem, Belgium.
©
Photo by David Hospital, via Wikimedia Commons, CC-BY-SA-4.0
3
0
PL/XL
Hydroxide , Mineral, Hydrated , Borate
Hambergite Be2 (BO3 )(OH)
Minerals containing BO3 , Minerals containing OH —
Open
Tabular, terminated crystal from the Gem Hill, Mesa Grande District, San Diego County, California
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
0
PL/XL
Hydroxide , Mineral, Borate
Hanksite KNa22 (SO4 )9 (CO3 )2 Cl
Minerals containing CO3 , Minerals containing SO4 —
Open
Photograph of hanksite specimen from Boron, CA. Size: 4cm
©
Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.
1
0
PL
Carbonate , Mineral, Sulphate
Hardystonite Ca2 ZnSi2 O7
—
—
Open
UV fluorescence image of hardystonite (blue), with clinohedrite (orange), calcite (red), and willemite (green), from Franklin, Sussex Co., New Jersey, USA
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
7
4
PL/Laser
Mineral, Silicate
Harkerite Ca48 Mg16 [AlSi4 O15 (OH)]4 (BO3 )16 (CO3 )16 ·2(H2 O,HCl)
Minerals containing CO3 , Minerals containing BO3 , Minerals containing OH , Minerals containing H2O —
2
0
PL/XL
Hydroxide , Mineral, Hydrated , Aluminosilicate , Borate , Carbonate
Hausmannite MnII MnIII 2 O4
Spinel (subgroup) —
Open
Hausmannite from Wessels Mine, Kalahari manganese fields, Northern Cape Province, South Africa
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
0
PL
Mineral
Haüyne Na3 Ca(Si3 Al3 )O12 (SO4 )
Sodalite (group) , Minerals containing SO4 —
Open
Crystals of Haüyne (1mm), from In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany
©
Photo (C) 2008 Lucien Cluzaud (via Wikimedia Commons), Public Domain
10
0
PL
Mineral, Sulphate , Aluminosilicate
Heazlewoodite Ni3 S2
Nickel sulphide, Ni3S2 —
Open
Heazelwoodite specimen from Norilsk, Krasnoyarsk, Siberia, Russia
©
(C) 2024 HolDu (via Wikimedia Commons). CC-BY-SA-3.0 DE
0
1
SXES
Mineral, Sulphide
