Asterism - gems with a star

Asterism - gems with a star

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Asterism - gems with a star
Martin Steinbach
Martin Steinbach, 2017

Gemologist Martin P. Steinbach has had a lifelong fascination with asterism. This is the property of gems (so-called star stones or asteria) to show a star-like pattern of reflected or refracted light after they have been polished and shaped. This is the first book on this topic, showing the different classes of star stones using a large number of photos. 

English - 900 Pages - 23 x 7 x 29,2 cm - 4.3 Kg
ISBN: 9783000504945

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