indialite

indialite

[′in·dē·ə‚līt]
(mineralogy)
Mg2 Al4Si5O18 A hexagonal cordierite mineral; it is isotypic with beryl.
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He details the chemistry, taxonomy, formation, and geochemistry of the beryl group of gemstones, and then information on each mineral--bazzite, beryl, indialite, pezzottaite, and stoppaniite--including its locality, etching and surface features, and many color photos.
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