Celestite is strontium sulfate,a material better known for its crystals than its uses. It occurs typically in cavities in limestone,where it forms excellent,transparent crystals within hard nodules. The crystals from the Malagasay Republic (Madagascar) are especially perfect and prized by collectors | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Arem, Joel |
Bildgröße: | 3770 px × 2550 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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