Hazenite: Properties and Occurrences
Hazenite is a hydrous phosphate mineral with the chemical formula of KNaMg2(PO4)2·14H2O, therefore a hydrous alkali magnesium phosphate. It is a member of the struvite…
Geographic Minerals
Haxonite
Haxonite is an iron-nickel carbide mineral found in iron meteorites and carbonaceous chondrites. It has a chemical formula of (Fe, Ni)23C6, crystallizes in the cubic…
Hawleyite: Properties and Occurrences
Hawleyite is a rare sulfide mineral in the sphalerite group, dimorphous and easily confused with greenockite. It was discovered in 1955 in the Hector-Calumet mine,…
Hauyne: Properties and Occurrences
Hauyne, is a tectosilicate mineral with sulfate, with endmember formula Na3Ca(Si3Al3)O12(SO4). It is a mineral usually occurring in rounded crystalline grains, rarely in distinct isometric…
Hausmannite
Hausmannite is a complex oxide of manganese-containing both di- and tri-valent manganese. The formula can be represented as Mn2+ Mn3+2O4. It is an opaque mineral…
Hauerite: Properties and Occurrences
Hauerite is a manganese sulfide mineral with the chemical formula MnS2. It is a mineral consisting of native manganese sulfide and occurring as reddish brown…
Harmotome
Harmotome is a mineral, one of the rarer zeolites; a hydrated barium silicate with the formula: (Ba0.5,Ca0.5,Na,K)5Al5,Si11O32·12(H2O). It is a rare zeolite, a hydrated barium…
Hardystonite: Properties and Occurrences
Hardystonite is a rare calcium zinc silicate mineral first described from the Franklin, New Jersey, U.S. zinc deposits. It has a chemical composition of Ca2ZnSiO7.…
Hapkeite: Properties and Occurrences
Hapkeite is a mineral discovered in the Dhofar 280 meteorite found in 2000 in Oman on the Arabian peninsula. The meteorite is believed to originate…
Hanksite: Properties and Occurrences
Hanksite is a sulfate mineral, distinguished as one of only a handful that contains both carbonate and sulfate ion groups. It has the chemical formula…
Hambergite: Properties and Occurrences
Hambergite (Be2BO3OH) is a beryllium borate mineral named after Swedish explorer and mineralogist Axel Hamberg (1863–1933). It is an orthorhombic-dipyramidal mineral containing beryllium, boron, hydrogen,…
Halotrichite: Properties and Occurrences
Halotrichite, also known as feather alum, is a highly hydrated sulfate of aluminum and iron. Its chemical formula is FeAl2(SO4)4·22H2O. It is a monoclinic-sphenoidal mineral…
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