190g Bush Like Grass Green EPIDOTE & Brown Grossular

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Bush Like Grass Green EPIDOTE & Brown Grossular Description Dimension 110mmX50mmX40mm Weight 190g Collected from Altay Mine, Xinjiang Province ,China Mineral Instruction Epidote is a structurally complex mineral having both single silicate tetrahedrons, SiO4, and double silicate tetrahedrons, Si2O7. The formula of epidote could be expressed in a such a way so as to reflect this organization; Ca2(Al, Fe)Al2O(SiO4)(Si2O7)(OH). The two aluminums represent the parallel chains of AlO6 and AlO4(OH)2 octahedra that are the heart of the epidote structure. The silicate groups and extra ions connect the chains together. Since the chains are parallel, the crystals tend to be prismatic. The chains are arranged in parallel planes and the perfect cleavage breaks the bonds between these planes. Epidote, while not general known for exceptional crystals can produce some magnificent specimens. Its unique green color which is often described as "pistachio", is quite striking in well colored specimens. Shipping method Shipping and handing fee Airmail US $14 ( including professional packing) Air shipping method Airmail (if your item(s) net weight in one parcel is less than 2kg,7-20 days to deliver) EMS ( Free upgrad --- if your items net weight in one parcel is over 2kg, 3-7 business days to deliver) Discount of combined shipping charge Buy more read more

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