Gypsum: Mineral information, data and localities.
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Calcite - Wikipedia
Gypsum, selenite: The mineral gypsum information and pictures
Mineral Search Software
6PK Raw Gypsum Rock Specimens, 1 - Geologist Selected - Eisco Labs
Gypsum: Mineral information, data and localities.
Gypsum, selenite: The mineral gypsum information and pictures
Anhydrite Properties, Formation, Occurrence and Uses Area
A large cabinet specimen of selenite, the clear variety of Gypsum. The specimen is nearly perfect with some faces being transparent and giving you an
Gypsum
Gypsum Properties, Formation, Uses and Deposits
Gypsum Earth Sciences Museum
Gypsum, selenite: The mineral gypsum information and pictures
Gypsum Properties, Formation, Uses and Deposits