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Renaissance: In der Renaissance wurde Fluorit zur Herstellung von optischen Linsen verwendet
Thomsonite crystallizes in the orthorhombic crystal system and structurally belongs to the framework silicates within the zeolite group
Fluorit Doppel-Spitzen blaugrün - 1 Stück ca. 8 cm Ei exact measurements can be foundFluorite, also known as fluorspar or calcium fluoride, is a remarkable mineral with a variety of properties: Crystal structure: Fluorite crystallizes in the cubic crystal system and develops cubic crystals with predominantly cubic or rarely octahedral crystal form . Hardness : Fluorite is the leading mineral (scale mineral) on the Mohs hardness scale for hardness 4 . Color: Pure fluorite is colorless and transparent, and can also be gray if impurities
