Olivine series

Variety Chrysolite

Origin: Zebirget, Red Sea, Egypt

Picture height: 19.5 mm

Sample owner: W.R. Moorer

 

 

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Forsterite

Origin: St. Johns Island, Egypt

Sample size: 5 mm

 

Peridot (Forsterite)
Origin: Spat, Nanga Parbat, Pakistan

Sample size: 1.4 cm

 

  

Crude rounded crystals but definite forms to 1 cm in calcite matrix with biotite.

Origin: Parker mine, Notre Dame de Laus, Quebec, Canada

Ex. Carleton University collection

Sample size: 7 x 5 x 5 cm

 

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Variety perodot, ex. Fred Pough Collection

Origin: More, Norway

Sample size: 3 x 2.6 x 2 cm

 

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Brown inclusions of olivine in augite-plagioclase matrix 

Origin: Fosse Grande, Vesuvius, Napoli, Italy

Sample size: 6.5 x 7.5 cm

 

Yellowish-green grains with spinel and mica

Origin: Vesuvius, Napoli, Italy

Sample size: 4 x 4.5 cm (left), 4 x 6 cm (right)

 

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Origin: Blackhead Quarry, Dunedin, Otago, South Island, New Zealand

Sample size: about 2 mm crystal

Sample owner: Vic Cloete

 

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Olivine with biotite

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