Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
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	Iron(III) oxide, Hematite (group)	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 OH, Minerals containing H2O	—		1	0	PL	Hydroxide , Mineral, Hydrated , Silicate
Herderite	CaBe(PO₄)F	Herderite (subgroup), Minerals containing PO4	—	Herderite 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	Ca_0.98Mn_0.02Al₁₂O₁₉, Ca[Al₁₂]O₁₉	—	—	Hibonite 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	LiAlSi₂O₆	Spodumene	—	Hiddenite 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	K₂SiF₆	—	—		3	0	IR	Mineral, Halide
Hiortdahlite	Na₂Ca₄(Ca_0.5Zr_0.5)Zr(Si₂O₇)₂OF₃	—	—	Hiortdahlite 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	HoP₅O₁₄	REE ultraphosphate	—		8	2	CL/SEM, SXES	Phosphate , Synthetic , Compound , Ultraphosphate , Ho
Holmquistite	☐Li₂(Mg₃Al₂)Si₈O₂₂(OH)₂	Minerals containing OH	—	Holmquistite 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	Ca₂SiB₅O₉(OH)₅	Minerals containing OH	—	Howlite 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	Li₂Ca₃Be₃(SiO₄)₃F₂	Minerals containing SiO4, Zeolite (group)	—	Hsianghualite 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)₂Si₈O₂₈F	Hyalotekite (group)	—	Hyalotekite 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[B₃O₄(OH)₃]₂·3H₂O	Minerals containing OH, Minerals containing H2O	—		1	0	PL	Hydroxide , Mineral, Hydrated , Borate
Hydrocerussite	Pb₃(CO₃)₂(OH)₂	Minerals containing CO3, Minerals containing OH	—	Hydrocerussite 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