Herderite: Properties and Occurrences
Herderite is a phosphate mineral belonging to the apatite, phosphate group, with formula CaBe(PO4)(F,OH). It is a mineral consisting of phosphate and fluoride of beryllium…
Geographic Minerals
Hercynite: Properties and Occurrences
Hercynite is a spinel mineral with the formula FeAl2O4. It is an isometric-hexoctahedral black mineral containing aluminum, iron, and oxygen.It forms dark blue-green, yellow, brown…
Herbertsmithite
Herbertsmithite is a mineral with chemical structure ZnCu3(OH)6C12. It is a mineral with light green or blue-green with a vitreous luster. It was discovered in…
Heptasartorite
Heptasartorite is a very rare mineral with formula Tl7Pb22As55S108. It belongs to sartorite homologous series. It is related to other recently approved minerals of the…
Hemusite: Properties and Occurrences
Hemusite is a very rare isometric gray mineral containing copper, molybdenum, sulfur, and tin with chemical formula Cu6SnMoS8. It was discovered by Bulgarian mineralogist Georgi…
Hemimorphite
Hemimorphite, is Zn4(Si2O7)(OH)2·H2O, a component of calamine. It is a mineral consisting of hydrated zinc silicate, typically occurring as flat white prisms. It is a…
Hemihedrite
Hemihedrite is a rare lead-zinc chromate silicate mineral with formula Pb10Zn(CrO4)6(SiO4)2(F, OH)2. It forms a series with the copper analogue iranite. It was named in…
Hematite: Properties and Occurrences
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. It is a reddish-black mineral consisting of…
Hellyerite: Properties and Occurrences
Hellyerite, NiCO3·6(H2O), is a hydrated nickel carbonate mineral. It is a monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen. Hellyerite is observed forming…
Hedenbergite
Hedenbergite, CaFeSi2O6, is the iron rich end member of the pyroxene group having a monoclinic crystal system. It is a rock-forming mineral in several metamorphic…
Hectorite: Properties and Occurrences
Hectorite is a rare soft, greasy, white clay mineral with a chemical formula of Na0.3(Mg, Li)3 Si4O10(OH)2. It is a basic silicate of magnesium and…
Heazlewoodite
Heazlewoodite, Ni3S2, is a rare sulfur-poor nickel sulfide mineral found in serpentinized dunite. It is a rare nickel sulfide mineral found in serpentinized dunite. It…
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