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2 align=centerGypsum
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2 <br> Desert Rose , 10 cm long
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2General
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"http://wwwseattleluxurycom/encyclopedia/entry/Chemical_formula" class="copylinks">Chemical Formula CaSO<sub>4</sub>'''ยท'''2H<sub>2</sub>O
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2Identification
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"http://wwwseattleluxurycom/encyclopedia/entry/Crystal_habit" class="copylinks">Crystal Habit Massive, flat Elongated and generally prismatic crystals
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"http://wwwseattleluxurycom/encyclopedia/entry/Crystal_structure" class="copylinks">Crystal System Monoclinic
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"http://wwwseattleluxurycom/encyclopedia/entry/Cleavage_(crystal)" class="copylinks">Cleavage 2 good (66° and 114°)
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"http://wwwseattleluxurycom/encyclopedia/entry/Fracture" class="copylinks">Fracture Conchoidal, sometimes fibrous
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"http://wwwseattleluxurycom/encyclopedia/entry/Mohs_Scale" class="copylinks">Mohs Scale hardness 15-2
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"http://wwwseattleluxurycom/encyclopedia/entry/Refractive_index" class="copylinks">Refractive Index 1522
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"http://wwwseattleluxurycom/encyclopedia/entry/Pleochroism" class="copylinks">Pleochroism None
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"http://wwwseattleluxurycom/encyclopedia/entry/Mineral#Streak" class="copylinks">Streak White
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"http://wwwseattleluxurycom/encyclopedia/entry/Specific_gravity" class="copylinks">Specific Gravity 231 - 233
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"http://wwwseattleluxurycom/encyclopedia/entry/Fusibility" class="copylinks">Fusibility
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"http://wwwseattleluxurycom/encyclopedia/entry/Solubility" class="copylinks">Solubility No reaction to acid
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2Major varieties
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"http://wwwseattleluxurycom/encyclopedia/entry/Satin_Spar" class="copylinks">Satin Spar Pearly, fibrous masses
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"http://wwwseattleluxurycom/encyclopedia/entry/Selenite" class="copylinks">Selenite Transparent and bladed crystals
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"http://wwwseattleluxurycom/encyclopedia/entry/Alabaster" class="copylinks">Alabaster Fine-grained, slightly coloured
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