Geographic MineralsHazenite: 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 MineralsHaxonite 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…
Geographic MineralsHawleyite: 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,…
Geographic MineralsHauyne: 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…
Geographic MineralsHausmannite 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…
Geographic MineralsHauerite: 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…
Geographic MineralsHarmotome 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…
Geographic MineralsHardystonite: 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.…
SociologySocial 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 MineralsHapkeite: 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 MineralsHanksite: 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 MineralsHambergite: 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,…