chiastolite


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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.
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These scenarios are commonly cited as viable explanations of the common presence of reentrants along sector boundaries (e.g., Figs, 2b, 3b), especially in chiastolite (e.g., Spry, 1969; Shelly, 1993).
(2010) recently interpreted sector-boundary zoned chiastolite as syntectonic on the basis of the presence of curved type 2 quartz inclusions (intergrowths).
In addition, he also worked for several years alongside his brother, Andrew, making Chiastolite Crystal jewelry.
Sterling boasts spodumene and chiastolite. A geological tourist in Brimfield - Dana specifies the "road leading to Warren" - might happen upon some lovely iolite, or traces of adularia, mica or garnet.
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.