Geographic Minerals
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…
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Geographic Minerals
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.…
Sociology
Social Development
Social Development The concept of social development lies in the concept of socialization. This means a commitment that development processes need to benefit people, particularly…
Geographic Minerals
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…
Geographic Minerals
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…
Geographic Minerals
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,…
Geographic Minerals
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…
Geographic Minerals
Halloysite: Properties and Occurrences
Halloysite is an aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4. It is a monoclinic-domatic mineral containing aluminum, hydrogen, oxygen, and silicon. Its main constituents…
Geographic Minerals
Halite: Properties and Occurrences
Halite commonly known as rock salt, is a type of salt, the mineral (natural) form of sodium chloride (NaCl). It is a naturally occurring crystalline…
Geographic Minerals
Håleniusite-(La)
Håleniusite-(La), (La, Ce)OF is a yellow isometric mineral. It has a dull, earthy luster. It was discovered in 1986 at Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland,…
Geographic Minerals
Haiweeite: Properties and Occurrences
Haiweeite is a mineral of uranium and has the chemical formula: Ca[(UO2)2Si2O12(OH)2]· 3(H2O). It is an orthorhombic-dipyramidal mineral containing calcium, hydrogen, oxygen, silicon, and uranium.…
Geographic Minerals
Haidingerite
Haidingerite is a calcium arsenate mineral with formula Ca(AsO3OH)·H2O. It is a mineral consisting of white hydrous calcium arsenate. It was originally discovered in 1827…
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