|37709: Opal variety Common Opal with
Calcite - $8
Bound Brook, Somerset County, New Jersey
Small cabinet - 6.3 x 4.5 x 2.8 cm
Ex Lincoln Sherk
Specimen status: Reserved
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Blobs of massive, white opal in a rhyolite (?) matrix. An 8 mm, matrix-overgrown calcite rhomb is also present. Scattered, pale white fluorescence under shortwave UV light. Ex Lincoln Sherk, dating the specimen to some time before 1970. Previous dealer label with a $35 price.