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Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

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Gypsum (Var: Selenite) : Ca[SO4] · 2H2O

Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

Field of view is about 2 mm across. P. Cristofono specimen and photo.
 © 2009 Peter CristofonoPhoto ID: 211444    View Count: 51

Pyrite : FeS2

Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

Crystals to ~ 4 mm. Linda Frahm specimen. Photograph by Peter Cristofono.
 © 2007 Peter CristofonoPhoto ID: 88046    View Count: 128

Pyrite : FeS2

Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

Crystals to ~ 3 mm. Linda Frahm specimen. Peter Cristofono photo.
 © 2007 Peter CristofonoPhoto ID: 88043    View Count: 94

Quartz : SiO2

Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

32 mm long specimen of drusy quartz from the Masslite Quarry. P. Cristofono specimen and photo.
 © 2007 Peter CristofonoPhoto ID: 119257    View Count: 136

Quartz : SiO2, Chlorite Group

Masslite Quarry, Plainville, Norfolk Co., Massachusetts, USA

Green chlorite inclusions in a 4 mm quartz crystal. P. Cristofono specimen and photo, field collected in 2007.
 © 2007 Peter CristofonoPhoto ID: 120269    View Count: 110
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