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Gemstone Glossary |
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A
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| E | F | G
| H | I | J
| K | L | M
| N | O | P
| Q | R | S
| T | U | V
| W | X | Y
| Z
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Euclase |
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Euclase is a rare gem. The most attractive color is a pale aquamarine blue, bur it also occurs in white, green, and colorless forms. Crystals are prismatic with a perfect cleavage, which means they are fragile and must be cut and handled with care.
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Occurrence |
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Euclase occurs mainly in pegmatites. Localities include Brazil Tanzania, Zaire, Kenya, the former USSR, India, Zimbabwe, and the USA.
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| Remarks |
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Most
emerald used in historical jewellery would have been from
Cleopatra's mines in Egypt's, which now yield only poor-quality
emeralds.
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