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Lussatite
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| Name: | Named by Ernest Mallard in 1890 for a chalcedony-like material with unique properties from Lussat, near Pont-du-Chateau, Puy-de-Dome. Associated with opal and quartz. | ||
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| Synonym of: | Opal-CT | ||
"A form of silica, similar in structure to chalcedony, but having a low specific gravity, G = 2.04, near that of opal; refractive index (for D) 1.446 like opal, but crystalline and optically positive." Mallard, 1890.
References for Lussatite | |
| Reference List: - + | Mallard, Ernest, 1890, Bull. Soc. Min., v. 13, p. 63. |
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Internet Links for Lussatite | |
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