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Chlorophane from
Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Fluorite var: Chlorophane
Formula:CaF2
Formation:Primary
Comments:Crystals mostly micros in pockets in the aplitic zone, larger crystals to a few cm rare, but they typically crumble into fragments when found. Typically as irregular masses to 10 cm. SW fluorescence is eventually lost if left exposed to any light, so immediately place and keep any finds in an opaque container to preserve this property.
Habit:anhedral to modified octahedral
Colour:micro crystals colorless to pale pink with purple zones at the tips, larger crystals and masses are red to reddish black
Luminescent properties:blue-green in SW, purple in LW, green phosphorescence
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visual (Fluorescence)
References
References:Hewitt, Herb. (circa 1960s): Hewitt Gem Mine advertisement flyer.; Harold Moritz field observations 2015.
Associated Minerals Based on Photo Data:
Microlite Group2 photos of Chlorophane associated with Microlite Group at this locality.
Smoky Quartz1 photo of Chlorophane associated with Smoky Quartz at this locality.
Data
Mineral Data:Click here to view Chlorophane data
Locality Data:Click here to view Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex Co., Connecticut, USA
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Chlorophane
4.4km (2.7 miles) Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
9.4km (5.9 miles) Slocum prospect, East Hampton (Chatham), Middlesex Co., Connecticut, USA
13.9km (8.6 miles) Linkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex Co., Connecticut, USA
14.0km (8.7 miles) Riverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex Co., Connecticut, USA
22.1km (13.8 miles) Hollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
62.5km (38.8 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
62.7km (39.0 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
63.1km (39.2 miles) State Route 111 construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
80.2km (49.8 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
 
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