Bournonit cu Boulangerit (plutitor rupt-vindecat) - Yaogangxian, Hunan, China - Înălțime: 3.3 cm - Lățime: 2 cm- 18 g
Nr. 81724145
Fluorit sferic violet și pirita. - Înălțime: 128 mm - Lățime: 118 mm- 926 g
Nr. 81724145
Fluorit sferic violet și pirita. - Înălțime: 128 mm - Lățime: 118 mm- 926 g
Aesthetic purple spherical fluorite crystals.
Fujian Province, China.
Dimensions : 128 x 118 x 38 mm
Weight : 926 gr
Magnificent fluorite for collections of exceptional pieces...!!!!
Fluorite (also called fluorspar) is a halide mineral composed of calcium fluoride, CaF2. It is an isometric mineral with a cubic habit, though octahedral and more complex isometric forms are not uncommon. Crystal twinning is common and adds complexity to the observed crystal habits.
The word fluorite is derived from the Latin root fluo, meaning "to flow" because the mineral has a relatively low melting point and was used as an important flux in smelting. Fluorite gave its name to its constitutive element fluorine.
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