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- San Martín mine, Sombrerete, Zacatecas, Mexico
- SmCabinet 7x3.5x2.5cm
A group of Quartz crystals with an overgrowth of chlorite(?) and tiny yellow Wickmanite crystals! As you look around the specimen you will see numerous crystals of Wickmanite, a rare tin hydroxide found in around 15 or so worlwide localities. Wickmanite occurs in diverse geological environments including tin load deposits , sulfide deposits (Potosi), pegmatites (Tanco, Foote), rhyolites (Thomas Range). It occurs at Tsumeb and Langban.
The Quartz has an inner phantom of amethyst. There are also numerous colorless Fluorite cubes and Calcite crystals.