DESCRIPTION: | No. 79800
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Mineral: | Prehnite, Datolite, Calcite, Petroleum (naturally occurring Hydrocarbons)
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Locality: | Millington Quarry, Bernards Township, Somerset County, New Jersey |
Description: | Large plate of lustrous transparent mint-green datolite crystals to 10 mm with overgrowth of translucent yellowish-green prehnite crystals in fan-shaped aggregates to 12 mm, partially coated with black petroleum, plus colorless calcite crystals to 4 mm. Collected in 1990s by Prof. Martin Becker, author of Recent Mineral Finds at the Millington Quarry in Rocks and Minerals v.73 #5 |
Overall Size: | 14x8x2.5 cm |
Crystals: | 3-8 mm |
Archived: | For reference only |