Prehnite Crystal Specimen – O&G Quarry, Southbury, New Haven County, Connecticut

A beautiful Prehnite specimen from the renowned O&G Quarry in Southbury, New Haven County, Connecticut. This locality is widely recognized among mineral collectors for producing exceptional prehnite specimens featuring attractive crystal formations, vibrant color, and excellent display aesthetics.

This specimen showcases the soft green coloration and distinctive crystal growth habits that have made Connecticut prehnite highly collectible. Material from the O&G Quarry has become especially desirable among collectors of classic northeastern mineral localities and American mineral specimens.

Specimen Highlights

• Natural Prehnite
• O&G Quarry locality
• Southbury, New Haven County, Connecticut
• Classic American mineral locality
• Attractive crystal development
• Collector-quality display specimen
• Desirable northeastern U.S. provenance

Mineral Information

• Mineral: Prehnite
• Formula: Ca₂Al(AlSi₃O₁₀)(OH)₂
• Mineral Class: Phyllosilicate
• Crystal System: Orthorhombic
• Color: Light green to apple green
• Luster: Vitreous to pearly

Prehnite commonly forms botryoidal masses, radiating crystal aggregates, and well-developed crystal clusters. The species is highly regarded for its soothing green coloration and unique crystal habits.

Collectors Value O&G Quarry Prehnite For

• Well-known Connecticut locality
• Attractive green coloration
• Excellent crystal development
• Strong display appeal
• Historic American provenance
• Increasing collector demand

Natural Features May Include

• Botryoidal formations
• Radiating crystal growth
• Sparkling crystal faces
• Translucent green coloration
• Associated quarry minerals
• Multi-stage crystal development

Provenance

O&G Quarry, Southbury, New Haven County, Connecticut, USA

Measurements

• Dimensions: 28 x 20 x 33 mm

Collector Notes

The O&G Quarry has produced some of the finest prehnite specimens from the northeastern United States. Collectors appreciate material from this locality for its attractive color, aesthetic crystal habits, and importance among classic American mineral localities.

Quality examples from Southbury have become favorites among collectors specializing in American minerals, Connecticut minerals, phyllosilicate minerals, classic localities, and display-quality crystal specimens.

Condition

Please review all photographs carefully for crystal quality, matrix, contact points, and overall condition, as they are considered part of the description. Natural mineral specimens commonly exhibit growth features and contact marks resulting from their natural formation and recovery.