Precious Stones
Precious Stones |
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| project title | Precious Stones | |
| description | articles about the picturesque old Paris | |
| number of articles | 164 | |
| number of illustrations | 25 | |
| total size | 3.7 MB | |
| theme | Aera Nova 1 | |
| online demo | - | |
| status | sold | |
Table of Contents
What are Precious Stones? • Physical Characters • Optical Properties • Colors • Lustre • Streak • Hardness • Specific Gravity • Weight • Fusibility • Magnetism • Transparency • Phosphorescence • Electricity • Cutting and Polishing • Diamond • Corundum • The Ruby • Sapphire • Fancy Sapphires • Star Sapphires • Spinel • Beryl • Emerald • Beryl • Chrysoberyl • Cymophane • Alexandrite • Zircon • Turquois • Tourmaline • Opal • Pearl • Chrysolite • Garnet • Topaz • Apatite • Felspar • Moonstone • Sunstone • Amazon Stone • Labradorite • Cyanite • Lapis Lazuli • Hiddenite • Spodumene • Dichroite • Idocrase • Euclase • Sphene • Phenacite • Epidote • Axinite • Diopside • Fluor Spar • Hypersthene • Quartz • Crystallized Quartz • Amethyst • Yellow Quartz • Cairngorm, etc. • Rose Quartz • Avanturine • Cat's-Eye • Crocidolite • Heliotrope • Chrysoprase • Prase • Plasma • Chalcedony • Agates • Onyx or Agate Onyx • Carnelian • Jasper • False Lapis • Hematite • Obsidian • Malachite • Jet • Amber • Coral • General Description • Celebrated Stones • Superstitions about Precious Stones • Desirable Qualities in Precious Stones • Prices of Precious Stones • Cutting • Weights • Artificial Coloring of Stones • Diamond • Ruby and Sapphire • Emerald • Chrysoberyl • Tourmaline • Opal • Turquoise • Chrysolite • Matrix • Trade Terms and Their Meaning • Descriptive Terms Explained • Alexandrite • Stones Seldom Used as Jewels • Hardness • How to Find the Specific Gravity and Hardness of Stones • Similar Stones and How to Distinguish Them • Distinctive Characteristics of Various Stones • Twin Colors of Doubly Refractive Stones • Stones and the Colors in Which they Occur • Colors and the Stones in Which They Occur • The Symbolic Significance of Precious Stones • Amber • Amethyst • Andalusite • Aquamarine • Cat's-Eye • Chrysoberyl • Chrysolite • Crocidolite, Or Tiger-Eye • Diamond • Diopside • Emerald • Garnet • Hiddenite • Labradorite • Malachite • Moonstone • Obsidian • Opal • Pearl • Quartz • Rock Crystal • Ruby • Sapphire • Sphene • Spinel • Topaz • Tourmaline • Turquoise • Zircon • Apostle Stones • Symbols of Months