The Encyclopedia of Gemstones and Minerals
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The Encyclopedia of Gemstones and Minerals by Martin Holden
This work offers information on the properties/values of over 200 rocks, stones, jewels and other natural substances. From amber to zinc, and from diamond-edged blades to orthoclase-based porcelains, details about characteristic form, specific gravity, symmetry system, refraction, location, use and commercial value are provided. Among the varied types of information given is a description of the largest diamond ever mined, the fist-sized 3106-carat Culliam diamond which was found in South Africa in 1905 and which now forms part of the British Crown Jewels; an explanation of how the mediaeval alchemists postulated that gold must be divine because it is incorruptible; and an explanation of the low specific gravity of amber and how this can be used as a test for authenticity.| SKU | Unavailable |
| ISBN 13 | 9780816021772 |
| ISBN 10 | 0816021775 |
| Title | The Encyclopedia of Gemstones and Minerals |
| Author | Martin Holden |
| Condition | Unavailable |
| Binding Type | Hardback |
| Publisher | Facts On File Inc |
| Year published | 1991-10-01 |
| Number of pages | 320 |
| Cover note | Book picture is for illustrative purposes only, actual binding, cover or edition may vary. |
| Note | Unavailable |