“Prehnite” inosilicate of calcium and alluminium prehnite crystallizes in the orthorhombic crystal system, often forms stalactitic or botroiydal aggregates, vitreous pearly luster Mohs scale hardness of 6-6.5 Specific gravity 2.80-2.90, colour varies from light green,yellow,Colourless,Pink,Blue,White Example HTML page This article will let you know about most of the famous localities which produced Hundreds and thousands […]

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