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Stellerite from
Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William Co., Virginia, USA

Locality type:Quarry
Classification
Species:Stellerite
Formula:Ca4(Si28Al8)O72 · 28H2O
Comments:Collected by Casper Voogt. Visually distinguishing between stilbite and stellerite is not possible, so one of the Northern Virginia Mineral Club members had a sample analyzed by x-ray diffraction, I believe at the James Madison University's Geology Department lab by Dr. Kearns.
Habit:radiating nodules / hemispheres and spheres
Colour:orange
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:members of the Northern Virginia Mineral Club have had samples analyzed in a lab, I believe at James Mason University by Dr. Kearns.
Data
Mineral Data:Click here to view Stellerite data
Locality Data:Click here to view Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William Co., Virginia, USA
Nearest other occurrences of Stellerite
8.7km (5.4 miles) A Fairfax quarry (Centreville Quarry; Sisslers Quarry), Centreville, Culpeper Basin, Fairfax Co., Virginia, USA
66.6km (41.4 miles) B Cedar Mountain Stone Corp. Quarry (A. H. Smith quarry), Mitchell, Culpeper Co., Virginia, USA
218.0km (135.5 miles) C Dyer Quarry, Gickerville (Gibralter), Birdsboro, Berks Co., Pennsylvania, USA
244.8km (152.1 miles) D Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery Co., Pennsylvania, USA
Mineral and/or Locality  
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