Hingganite-(Y)
BeY(SiO4 )(OH)
Gadolinite (subgroup)
—
0
0
—
Mineral, Hydroxide , Silicate
Hingganite-(Yb)
BeYb(SiO4 )(OH)
Gadolinite (subgroup)
—
0
0
—
Mineral, Hydroxide , Silicate
Hiortdahlite
Na2 Ca4 (Ca0.5 Zr0.5 )Zr(Si2 O7 )2 OF3
—
—
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
—
Mineral, Silicate
Holmium
Ho
—
—
12
0
—
Element , Metal
Holmium orthophosphate
HoPO4
REE phosphate
—
0
0
—
Compound, Orthophosphate , Phosphate
Holmium ultraphosphate
HoP5 O14
REE ultraphosphate
—
8
2
CL/SEM, SXES
Synthetic , Compound, Phosphate , Ultraphosphate
Homilite
Ca2 FeII B2 Si2 O10
Datolite (subgroup)
—
0
0
—
Mineral, Borosilicate
Hornblende root name group
◻Ca2 (ZII 4 ZIII )(AlSi7 O22 )(OH,F,Cl)2 , ZII =Mg,FeII , ZIII =Al,FeIII
Calcium amphibole
Magnesio-ferri-hornblende , Ferro-ferri-hornblende , Ferro-hornblende , Magnesio-hornblende , Magnesio-ferri-fluoro-hornblende
0
0
—
Silicate , Group
Howlite
Ca2 SiB5 O9 (OH)5
—
—
Open
A nodule of howlite, from the Wentworth area, Hants County, Nova Scotia, Canada
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
0
—
Mineral, Hydroxide , Borosilicate
Hsianghualite
Li2 Ca3 Be3 (SiO4 )3 F2
Zeolite (group)
—
Open
Hsianghualite (white), from Xianghualing, Hunan Province, China. Specimen size 1.5 cm
©
Photo by Strickja , Public Domain
5
0
—
Mineral, Silicate
Humite
Mg7 (SiO4 )3 F2
Humite (subgroup)
—
0
0
—
Mineral, Silicate , Halide
Humite (group)
—
Nesosilicate
Leucophoenicite (subgroup) , Chegemite (subgroup) , Manganhumite (subgroup) , Humite (subgroup)
0
0
—
Group
Humite (subgroup)
n [Mg2 (SiO4 )]·Mg(OH,F)2 n =1,2,3, o r 4
Humite (group)
Norbergite , Chondrodite , Humite , Hydroxylclinohumite , Hydroxylchondrodite , Clinohumite
0
0
—
Silicate , Hydroxide , Subgroup, Halide
Hundholmenite-(Y)
(Y,REE,Ca,Na)15 (Al,FeIII )Cax AsIII 1-x (Si,AsV Si6 B3 (O,F)48
Vicanite (group)
—
0
0
—
Mineral, Silicate , Halide , Arsenate
Huttonite
ThSiO4
Monazite (group) , Thorium silicate
—
0
0
—
Mineral, Silicate