QUARTZ VAR. CHALCEDONY AFTER ANHYDRITE

These specimens have been little seen in the market. They show tabular anhydrite crystals that have been replaced by quartz, var. chalcedony, with a delicate bluish tone, lavender, very attractive tones. Moderately fluorescent under LW-UV light. Concentric growths of the chalcedony and the molds left by the anhydrite crystals can be observed. The main crystal is: 4,8 x 1,4 x 0,9 cm. 1,89 x 0,55 x 0,35 Inc.