Weloganite is a rare carbonate mineral with the formula: Na2(Sr,Ca)3Zr(CO3)6·3H2O. It was discovered by Canadian government mineralogist Ann P. Sabina in ...
Formula: Na2Sr3Zr(CO3)6 · 3H2O ; Colour: Light yellow, amber-yellow, white ; Lustre: Vitreous ; Hardness: 3½ ; Specific Gravity: 3.20 - 3.22.
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General Weloganite Information. Help on Chemical Formula: Chemical Formula: Sr3Na2Zr(CO3)6•3(H2O). Help on Composition: ...
Weloganite
Weloganite is a rare carbonate mineral with the formula: Na₂(Sr, Ca)₃Zr(CO₃)₆·3H₂O. It was discovered by Canadian government mineralogist Ann P. Sabina in 1967 and named for Canadian geologist Sir William Edmond Logan. Wikipedia
Cleavage: Perfect on pseudo
Crystal class: Pedial (1); (same H-M symbol)
Crystal habit: Roughly hexagonal, tapering crystals, pseudorhombohedral
Crystal system: Triclinic
Weloganite is a very rare strontium zirconium carbonate mineral. To date, the only known gem-quality material has come from this now closed site.
Weloganite is a rare semi-precious gemstone discovered in the 1960s. The stone can be white, colorless, or tan but is more sought-after in yellow to amber hues.
$2,250.00
Weloganite is a rare and unusual complex sodium-strontium-zirconium carbonate that occurs in large crystals of this size only at this type locality.
Chao (1975) X-ray crystallography of weloganite. Can. Mineral., 13, 22–26. (5) Grice, J.D. and G. Perrault (1975) The crystal structure of triclinic weloganite.
Mar 2, 2017 · A rare unknown mineral was unearthed inside cavities found in the 2 m thick St-Michel sill that intrudes the limestone.
Weloganite can be found only in Canada where it occurs with and in alkali intrusive rocks, and at a locality in South Africa.
