TABLE OF CONTEXTS. 



Tasje. 



1. History and arrangement of the collection 1 



2. Names and physical and chemical properties of precious stones 



3. Descriptive catalogue of the collections 9 



Amber 9 



Andalusite 10 



Axinite 11 



Azurite 11 



Benitoite 12 



Beryl ' 12 



Common, golden, and caesium 13 



Aquamarine 14 



Emerald 17 



Beryllonite 17 



Calamine 18 



Calcite and aragonite 19 



Chalcedony 20 



Agate 22 



Bloodstone 23 



Carnelian 24 



Chrysoprase 25 



Jasper 25 



Moss agate 26 



Onyx 27 



Plasma 28 



Prase 28 



Sardonyx. 28 



Silicified wood 28 



Chromite 28 



Chrysoberyl 29 



Alexandrite 30 



Cat's-eye 30 



Chrysolite 30 



Coral 31 



Corundum 31 



Ruby 34 



Ruby ( Asteria) 35 



Sapphire 35 



Sapphire (Asteria) 39 



Sapphire, White 40 



Oriental amethyst 41 



Oriental emerald 41 



Oriental topaz 42 



Crocidolite 43 



Diamond 44 



Epidote 49 



Euclase 49 



v 



