chiastolite definition

  • noun:
    • A mineral selection of andalusite with carbonaceous impurities on a regular basis arranged along the longer axis of this crystal.
    • An aluminosilicate mineral having carbon inclusions, multiple andalusite.
    • A variety of andalusite; -- labeled as in addition macle. The tessellated appearance of a cross section is because of the shaped arrangement of impurities into the crystal.
    • a number of andalusite, peculiar within the tessel-lated look which it provides when cut transversely and polished. The dark portions are caused by symmetrically organized impurities when you look at the crystal. Also known as macle.

Related Sources

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