chiastolite

[kī′as·tə‚līt]

(mineralogy)

A variety of andalusite whose crystals have a cross-shaped appearance in cross section due to the arrangement of carbonaceous impurities. Also known as macle.

Mentioned in ?

macle

References in periodicals archive ?

Chiastolite, a mineral with dark deposits of carbon or clay in the shape of a cross, can be found in the rocks of Massachusetts and in Mr.

There are veins of chiastolite that run from Lunenburg to Worcester," said Mr.

Church fair draws crowd; Visitors enjoy range of food and crafts

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