Gypsum

  

  

Gypsum rosette with three main crystals (twinned), largest 2.7 x 3 x 1.1 cm. Fluorescent and phosphorescent under SW UV light.

Origin: Red River Floodway, Winnipeg, Manitoba, Canada

Ex. John Teague coll.

Sample size: 7.8 x 5.6 x 5.4 cm

 

Photo courtesy of: 

 

  

Origin: Naica, Chihuahua, Mexico

Sample size: 6 x 4 x 6.5 cm

 

Origin: Newfoundland Zinc mine, Daniel's Harbour, Newfoundland, Canada

Ex Marvin Pearce collection

Sample size: 13 x 3.5 x 8 cm

 

  

Gypsum with snow-white hydrozincite

Origin: Platosa mine, Bermejillo, Durango, Mexico

Ex Marvin Pearce collection

Sample size: 4 x 8.5 x 26 cm

 

  

Two twinned water clear transparent sharp undamaged crystals of gypsum to 38 mm in length, sort of criss-crossing on matrix.

Origin: quarries near Fuentes de Ebro, Zaragoza, Spain

Ex Marvin Pearce collection

Sample size: 8 x 4.5 x 4 cm

 

  

Origin: Madawaska mine, Farady Township, Bancroft district, Hastings Co., Ontario, Canada

Sample size: 24 x 14 x 4.5 cm

 

  

Origin: Watkins Glen, New York, U.S.A.

Sample size: 13.7 x 7 x 4.2 cm

 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  

gypsum with fish tail-twins

Origin: Otuma Mine, Pisco, Ica Province, Peru

Sample size: 5.7 x 5.0 x 4.5 cm

 

  

Origin: Red River Floodway, Winnipeg, Ontario, Canada

Sample size: 8.2 x 4.9 x 3.0 cm

 

Selenite on quartz

Origin: Camp Bird Mine 5 level, Ouray, Colorado, U.S.A.

Ex. Marty Zinn collection

Sample size: 7.8 x 6.4 x 2.1 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  

  

Origin: Las Salinas Halite mine, near Otume Village, south of Pisco, Peru

Sample size: 15 x 10 x 7 cm

 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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