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12-29-2009, 12:37 AM #21
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"Almandite garnet crystals are found in a quartzose mica schist about 1.6 km west of Chelsea in Delaware County. Near the surface the schist is badly weathered and the garnets, which comprise as much as 75% of the rock locally but average much less, are easily recovered. Abrasive-grade garnet was produced from this deposit prior to 1900, but no production has been recorded since the turn of the century."