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 42 grams Fluorescent (SW) Ex Lincoln Sherk Specimen status: Reserved Send an email with specimen number to order 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.
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