Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Hackmanite	Na₈Al₆Si₆O₂₄(Cl₂,S)	Sodalite	—	Hackmanite 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	—	—	Hafnium 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)	—	Halite 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	Al₂Si₂O₅(OH)₄	Kaolinite (subgroup), Minerals containing OH	—	Halloysite 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[B₈O₁₃(OH)₂]₂·7H₂O	Minerals containing H2O, Minerals containing OH	—	Halurgite 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	—	Hambergite 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)₂Cl	Minerals containing SO4, Minerals containing CO3	—	Hanksite 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	Ca₂ZnSi₂O₇	—	—	Hardystonite 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	Ca₄₈Mg₁₆[AlSi₄O₁₅(OH)]₄(BO₃)₁₆(CO₃)₁₆·2(H₂O,HCl)	Minerals containing BO3, Minerals containing CO3, Minerals containing H2O, Minerals containing OH	—		2	0	PL/XL	Hydroxide , Mineral, Hydrated , Aluminosilicate , Borate , Carbonate
Hausmannite	Mn^IIMn^III₂O₄	Spinel (subgroup)	—	Hausmannite 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	Na₃Ca(Si₃Al₃)O₁₂(SO₄)	Minerals containing SO4, Sodalite (group)	—	Haüyne 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	Ni₃S₂	Nickel sulphide, Ni3S2	—	Heazlewoodite Heazelwoodite specimen from Norilsk, Krasnoyarsk, Siberia, Russia © (C) 2024 HolDu (via Wikimedia Commons). CC-BY-SA-3.0 DE	0	1	SXES	Mineral, Sulphide
Helvite	Mn₄Be₃(SiO₄)₃S	—	—	Helvite 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	Fe₂O₃	Hematite (group), Iron(III) oxide	Titanohematite, Specularite	Hematite 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(Si₂O₇)(OH)₂·H₂O	Minerals containing H2O, Minerals containing OH	—		1	0	PL	Hydroxide , Mineral, Hydrated , Silicate