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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Dioptase is an intense emerald-green to bluish-green copper cyclosilicate mineral. It is transparent to translucent. Its luster is vitreous to sub-adamantine. Its formula is CuSiO3*H2O (also reported as CuSiO2(OH)2). It has a hardness of 5, the same as tooth enamel. Its specific gravity is 3.28-3.35, and it has two perfect and one very good cleavage directions. Additionally, dioptase is very fragile and specimens must be handled with great care. It is a trigonal mineral, forming 6-sided crystals that are terminated by rhombohedra. Full Product DetailsAuthor: Adam Cornelius BertPublisher: Duc Imprint: Duc Dimensions: Width: 15.20cm , Height: 0.30cm , Length: 22.90cm Weight: 0.097kg ISBN: 9786139747627ISBN 10: 6139747627 Pages: 56 Publication Date: 03 January 2012 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: Not yet available ![]() This item is yet to be released. You can pre-order this item and we will dispatch it to you upon its release. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |