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RM2692   Quartz, variety amethyst

Rio Grande do Sul, Brazil

Stalactitic aggregate, pineapple shape, of amethyst quartz crystals. Brilliant and with a more intense "amethyst" color at the tips of the crystals. An aesthetic piece, common, but aesthetic... It belongs to the Joan Astor collection (Barcelona), with a handwritten label and typewritten box.


Size: 5.5 x 5.4 x 4.8 cm.
Main crystal: 1.7 cm.
Found in ± 1975.

Col. Joan Astor (Barcelona).


 

RM1015   Calcite with quartz (var. amethyst)

Rio Grande do Sul, Brazil

On a matrix formed by good size crystals of quartz (var. amethyst) some scalenohedral calcite crystals are disposed, brilliant and translucent. Calcite presents intense red fluorescence under LW-UV light. A very aesthetic piece that represent the calcite crystals which appear in the classic Brazilian amethyst geodes.


Size: 11.8 x 9.8 x 9.0 cm.
Main crystal: 6.5 x 3.4 cm.

Fluorescent under long wave UV
 
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