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File:Turquoise with quartz.jpg

Turquoise with Quartz

Taken by Aram Dulyan ( User:Aramgutang)

Date: 22'FEB 2005

Blue massive turquoise in matrix with quartz from Mineral Park, Arizona, USA. Photograph taken at the Natural History Museum, London.

Camera: Canon PowerShot A75
ISO: 100
Aperture: F 3.5
Shutter speed: 3/10 s

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