Calcite on quartz - Mont Blanc Massif, Haute-Savoie, France
The specimen is dominated by an aggregate of calcite crystals...
Prismatic smoky quartz point, slightly translucent, with shiny surfaces, the top covered with a thin layer of fluorite microcrystals ranging from lilac to a more intense purple.
5.5 x 4 x 2.5 cm
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The specimen is dominated by an aggregate of calcite crystals...
Well-formed smoky quartz crystals with shiny, striated faces...
Plate composed of smoky quartz crystals in excellent...
Quartz gwindel, the twist is clearly visible, slightly smoky,...