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Shigaite crystal. A very uncom-mon mineral, this extremely hydrated (has 8 to 22 waters in its chemical formula) Mangan-ese-Aluminum sulfate is captured here in a Joe Budd image. Shigaite was discovered in Shiga Perfecture, Japan, 27 years ago. Shigaite is also found in Michigan's Iron Range, Mont Saint-Hilaire-Quebec, and at the Wessels Mine in South Africa.

Shigaite crystal. A very uncom-mon mineral, this extremely hydrated (has 8 to 22 waters in its chemical formula) Mangan-ese-Aluminum sulfate is captured here in a Joe Budd image. Shigaite was discovered in Shiga Perfecture, Japan, 27 years ago. Shigaite is also found in Michigan's Iron Range, Mont Saint-Hilaire-Quebec, and at the Wessels Mine in South Africa.

Green clusters of malachite crystals fill the vugs in a matrix of solid, hackly native copper. Size: 7.4 x 6.2 x 4.3 cm.

Green clusters of malachite crystals fill the vugs in a matrix of solid, hackly native copper. Size: 7.4 x 6.2 x 4.3 cm.

Fluorite (Summit Cleft, Weißeck Mt. area (incl. Rauchkopf Mt.; Riedingscharte), Murwinkel, Lungau, Salzburg, Austria)  via Messing Minerals

Fluorite (Summit Cleft, Weißeck Mt. area (incl. Rauchkopf Mt.; Riedingscharte), Murwinkel, Lungau, Salzburg, Austria) via Messing Minerals

Strengite - is a relatively rare iron phosphate mineral with the formula: FePO4 · 2H2O.   This image is copyrighted. Unauthorized reproduction prohibited.  Locality: La Paloma Mine, Zarza la Mayor, Cáceres, Extremadura, Spain  Picture width 2,5 mm. Photograph Juan Miguel.

Strengite - is a relatively rare iron phosphate mineral with the formula: FePO4 · 2H2O. This image is copyrighted. Unauthorized reproduction prohibited. Locality: La Paloma Mine, Zarza la Mayor, Cáceres, Extremadura, Spain Picture width 2,5 mm. Photograph Juan Miguel.

Pezzottaite [Cs(Be2Li)Al2Si6O18] is a caesium analogue of beryl, a silicate of caesium, beryllium, lithium and aluminum. Unlike other beryls, pezzottaite contains lithium and crystallizes in the trigonal crystal system rather than the hexagonal system.  Ambatovita, Madagascar

Pezzottaite [Cs(Be2Li)Al2Si6O18] is a caesium analogue of beryl, a silicate of caesium, beryllium, lithium and aluminum. Unlike other beryls, pezzottaite contains lithium and crystallizes in the trigonal crystal system rather than the hexagonal system. Ambatovita, Madagascar

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