Mineral Species: Quartz var. Rock Crystal
Chemical Formula: SiO2
Chemical Name: Silicon Dioxide
Mineral Class: Tectosilicate
Mineral Notes: Rock crystal is the name given to clear colourless Quartz. Rock crystal often has inclusions of other minerals and these inclusions sometimes produce beautiful varieties.
Description: A pair of transparent Quartz crystals forming a V-shape. The faces, angles and perfect terminations have very pleasing proportions, making this a wonderfully good display specimen. The water-clear transparency has to be seen to be believed.
Location: Ratiborice, Czech Republic.