
Staged product image, the actual product may differ.
A very clear muscovy-glass selenite crystal from Brazil, Rio Grande do Sul, Irai. Exceptional transparency in museum showcase dimensions.
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A very clear muscovy-glass selenite crystal from Brazil, Rio Grande do Sul, Irai. Exceptional transparency in museum showcase dimensions.
Muscovy-glass is the optically clear tabular variety of selenite (calcium sulfate dihydrate, CaSO₄·2H₂O). It crystallizes from saline sedimentary solutions over very long periods. Its historical use as window material in sacred architecture gave the mineral its name.
The Irai deposit in Rio Grande do Sul yields the largest and clearest muscovy-glass sheets in Brazil. Selenite sheets of this magnitude are collector's items in premium mineralogical classification.
Selenite is soft (Mohs 2) and water-soluble; cleaning should only be done dry. Its high transparency allows for gallery presentation with backlighting.
A collector's item with high transparency, Brazilian Irai provenance, and museum-quality size.
Wir beziehen unsere Kristalle direkt aus den Minen, ohne Zwischenhändler. Mehrmals im Jahr sind wir persönlich vor Ort und kennen die Familien, die diese Steine zutage fördern.
Sie erhalten einen fairen Preis für ihre Arbeit. In unseren Minen arbeiten ausschließlich Erwachsene unter sicheren Bedingungen, und davon überzeugen wir uns bei jedem Besuch.
Wie das vor Ort aussieht, zeigen wir in einem Film, der bei uns im Museum läuft.
Selenite is water-soluble. Do not clean with water. Only dust dry with a soft cloth.
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