Alloclasite
Alloclasite [(Co, Fe)AsS] is a sulfosalt mineral. It is a member of the arsenopyrite group. It is the most abundant arsenic mineral and the primary ore…
Chemistry
Alleghanyite
Alleghanyite is a moderately rare humite mineral with formula Mn5(SiO4)2(OH)2, belonging to the nesosilicates class. It is a mineral consisting of a pink basic silicate…
Allargentum
Allargentum is a rare silver antimonide. It is a mineral from the class of antimonides, a superclass of sulfides and sulfosalts (sometimes ascribed to the…
Allanpringite
Allanpringite is a phosphate mineral named after Australian mineralogist Allan Pring, South Australian Museum. It was named to honor Australian mineralogist Dr. Allan Pring. Allanpringite…
Allanite: Identification and Occurrence
Allanite also called orthite, is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare-earth elements. This rare earth…
Allactite
Allactite (Formula: Mn7(AsO4)2(OH)8) is a rare arsenate mineral of metamorphosed manganese zinc ore deposits. It is a mineral consisting of a brownish red basic manganese…
Allabogdanite
Allabogdanite is a very rare phosphide mineral with formula (Fe, Ni)2P, found in 1997 in a meteorite. It is not Radioactive. It was described as…
Aliettite
Aliettite is a complicated phyllosilicate mineral of the smectite group with a formula of (Ca0.2Mg6(Si, Al)8O20(OH)4·4H2O). It is not Radioactive. It is a soft, colorless…
Algodonite
Algodonite is a copper arsenide mineral with formula: Cu6As. It is a gray-white metallic, copper arsenide mineral, crystallizing in a hexagonal pattern. The mineral was…
Alforsite: Occurrence and Identification
Alforsite is a barium phosphate chloride mineral with formula: Ba5(PO4)3Cl. The Apatite group is compromised of minerals that are isomorphous hexagonal phosphates. It was discovered…
Aleksite
Aleksite is a rare lead-bismuth tellurium sulfosalt mineral with formula PbBi2Te2S2. This is a trigonal-hexagonal scalenohedral steel-gray mineral containing bismuth, lead, sulfur, and tellurium. It…
Aldermanite: Physical and Chemical Properties
Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12(PO4)8(OH)22·32H2O. This is an orthorhombic colorless mineral containing aluminum, hydrogen, magnesium, oxygen, and phosphorus. It’s named…
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