Provenite

Slocum Quarry (East Hampton)

QuarryClosedDraft data

41.5350° N, 72.4712° W · ± 1 km

Beryl from Connecticut, United States, with photos of specimens from this locality.

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Minerals found here

Beryl

Beryl at Slocum Quarry (East Hampton)

Old, doubly terminated yellow heliodor crystal about 7 cm long from the Slocum Quarry, East Hampton, Connecticut.
Old, doubly terminated yellow heliodor crystal about 7 cm long from the Slocum Quarry, East Hampton, Connecticut.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Be₃Al₂Si₆O₁₈
Morphology
Prismatic crystals, doubly terminated
Typical size
Crystals to about 7 cm
Color / luster
Yellow (heliodor), translucent, lustrous
Availability
Scarce

Sources: SRC-728 SRC-731

About Beryl →

Geology of the locality

Setting
Granitic pegmatite worked for feldspar, with beryl, mica and niobium-tantalum minerals
Region
Connecticut
Country
United States

Coordinates from the USGS MRDS record 'Slocum Beryl Prospect' (Middlesex County), taken to be the same pegmatite as the Slocum Quarry of the label.

Sources: SRC-728

Sources

  1. SRC-728 · Database
    Slocum Beryl Prospect (MRDS W000658)U.S. Geological Survey (MRDS), via mineralresourcemap.com · USGS Mineral Resources Data System
  2. SRC-731 · Website
    File:Beryl-133523.jpgRobert M. Lavinsky · Wikimedia Commons (dealer label)

Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.