Jolliffeite: Properties and Occurrences
Jolliffeite is a rare selenide mineral with formula NiAsSe or (Ni, Co)AsSe. It is an isometric-diploidal tin white mineral containing arsenic, cobalt, nickel, and selenium.…
Geographic Minerals
Johannite: Properties and Occuurrences
Johannite is a rare uranium sulfate mineral. It crystallizes in the triclinic crystal system with the chemical composition Cu[UO2(OH)SO4]2·8H2O. It is a mineral consisting of…
Jimthompsonite: Properties and Occurrences
Jimthompsonite is a magnesium iron silicate mineral with formula: (Mg, Fe2+)5Si6O16(OH)2. It is an inosilicate with a triple chain silicate backbone, jimthompsonite and a few…
Jerrygibbsite: Properties and Occurrences
Jerrygibbsite is a rare silicate mineral with chemical formula: (Mn, Zn)9(SiO4)4(OH)2. It is a rare violet-pink mineral, believed to be a member of the leucophoenicite…
Jeremejevite: Properties and Occurrences
Jeremejevite is a rare aluminum borate mineral with variable fluoride and hydroxide ions. Its chemical formula is Al6B5O15(F, OH)3. It is a hexagonal-dipyramidal mineral containing…
Jennite: Properties and Occurrences
Jennite is a calcium silicate hydrate mineral of the general chemical formula: Ca9Si6O18(OH)6·8H2O. It is a triclinic-pinacoidal white mineral containing calcium, hydrogen, oxygen, and silicon.…
Jarosite: Properties and Occurrences
Jarosite is a basic hydrous sulfate of potassium and iron with a chemical formula of KFe33+(OH)6(SO4)2. It is an ocher-yellow or brown mineral, consisting of…
Jarosewichite: Properties and Occurrences
Jarosewichite is a rare manganese arsenate mineral with formula: Mn23+Mn3+(AsO4)(OH)6. It was first described in Franklin, New Jersey which is its only reported occurrence. Its…
Janggunite: Properties and Occurrences
Janggunite is a rare manganese oxide mineral with formula Mn5-x(Mn, Fe)1+xO8(OH)6. It is an orthorhombic black mineral containing hydrogen, iron, manganese, and oxygen. It was…
Jamesonite: Properties and Occurrences
Jamesonite is a sulfosalt mineral, a lead, iron, antimony sulfide with formula Pb4FeSb6S10. It is one of a few sulfide minerals that form fine acicular…
Jalpaite: Properties and Occurrences
Jalpaite is a rare copper silver sulfide mineral with formula Ag3CuS2. It is a mineral consisting of cupriferous argentite. It is a rare copper silver…
Jaffeite: Properties and Occurrences
Jaffeite is a hydrated calcium silicate with the following chemical formula: Ca6Si2O7(OH)6. It is a hydrated calcium silicate mineral. The mineral was first found at…
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