Frankhawthorneite
Frankhawthorneite, formula- Cu2Te6+O4(OH)2 is a monoclinic copper tellurate mineral named after Prof. Frank Christopher Hawthorne (born 1946), University of Manitoba, Winnipeg, Canada. Hawthorne has been…
Geographic Minerals
Frankdicksonite
Frankdicksonite is a halide mineral with the chemical formula BaF2 which corresponds to the chemical compound barium fluoride. It is an isometric-hexoctahedral colorless mineral containing…
Frankamenite
Frankamenite is the fluorine-dominate variation of the rare mineral canasite with a general formula of K3Na3Ca5(Si12O30)[F,(OH)]4·(H2O). It is a triclinic-pedial mineral containing calcium, fluorine, hydrogen,…
Franckeite: Properties and Occurrences
Franckeite, chemical formula Pb5Sn3Sb2S14, belongs to a family of complex sulfide minerals. It is a triclinic-pinacoidal mineral containing antimony, iron, lead, sulfur, and tin. It…
Francevillite: Properties and Occurrences
Francevillite is a uranyl-group vanadate mineral in the tyuyamunite series. Its chemical formula is (Ba, Pb)(UO2)2V2O8·5(H2O). It is an orthorhombic-dipyramidal mineral containing barium, hydrogen, lead,…
Fraipontite: Properties and Occurrences
Fraipontite is a zinc-aluminum silicate mineral with a formula of (Zn, Al)3(Si, Al)2O5(OH)4. It is a member of the kaolinite-serpentine mineral group and occurs as…
Fourmarierite
Fourmarierite is a secondary uranium-lead mineral. It was named for the Belgian geologist Paul Fourmarier (1877–1970). It is a mineral consisting of a hydrous oxide…
Fougèrite: Properties and Occurrences
Fougèrite is a relatively recently described naturally occurring green rust mineral. It is a trigonal clay mineral that is chemically and structurally related to green…
Forsterite: Properties and Occurrences
Forsterite (Formula- Mg2SiO4) is the magnesium-rich end-member of the olivine solid solution series. It is a crystalline magnesium silicate. It is best known for having,…
Fornacite: Properties and Occurrence
Fornacite is a rare lead, copper chromate arsenate hydroxide mineral with the formula: Pb2Cu(CrO4)(AsO4)(OH). It is a monoclinic-prismatic mineral containing arsenic, chromium, copper, hydrogen, lead,…
Fluorite: Properties and Occurrence
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It is a halide mineral composed of calcium fluoride. It crystallizes in isometric…
Fluorellestadite
Fluorellestadite is a rare nesosilicate of calcium, with sulfate and fluorine, with the chemical formula Ca10(SiO4)3(SO4)3F2. It is a rare nesosilicate of calcium, with sulfate…
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