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and small coves south of the park have a high percentage of glass grains in the sand
either a black and silver pen
Untreated chalcopyrite should look brassy
This is a rare and still very useful entomological reference
These were sent to subscribers in parts
asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube and small coves south ofAsbestiform tremolite from the McIlroy Mine, Inyo County, California. Tremolite is a calcic amphibole which forms a solution series with actinolite and ferro actinolite. The ideal formula is Ca2Mg5Si8O22(OH)2 . Tremolite asbestos is fairly uncommon, and most of the tremolite asbestos mined in the US, including from this mine, went to the Powhatan Mining Company in Woodlawn, MD, for the manufacture of the filter used in Gooch crucibles. These
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