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Title: Silicate mineral [Go to resource]
Description: The object is an hexagonal crystal of black tourmaline with vertical striations on its flanks. There is some mica present on its surface. A specimen of Tourmaline and Mica License: http://creativecommons.org/licenses/by/2.0/uk/ Publisher: Dudley Museums Service Rights holder: Dudley Museums Service Subjects: Geology Temporal: Unknown Source: Black Country History Identifier: http://www.blackcountryhistory.org/colle... Go to resource More Like this...
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