SWALLOW-TAIL SELENITE CRYSTALS - France
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Seine St Denis, near Paris, France
Seine St Denis, near Paris, France
Beautiful amber-coloured crystals of selenite from the gypsum quarries near Paris.
Selenite is the name given to the crystallised variety of gypsum (calcium sulphate). These naturally twinned crystals have been called ‘Swallow-tail’ crystals.
Selenite has perfect cleavage, enabling the crystals to be easily split into very thin plates.
Click on a picture for a larger image
Size: approx, 15 x 7 x 2.5 centimetres
Weight: 317 grams
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