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4 specimens listed
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Calcite - stacked hexagons
stock #AX-12-440
San Luis Potosi, Mexico
3.8 x 3.4 x 3.3 CM (miniature)
price: $130
new year 2021

A classic habit Calcite from Charcas, Mexico which is a stack of thick (and a few thin) hexagons in a staggered alignment. Vividly fluorescent as well, the luster is bright on the side faces, the flat terminal faces are a pearly matte so much less shiny. The bottom has contacts but there is no damage. Translucent to slightly transparent, the crystals are internally zoned.

Danburite (gemmy pink) on Calcite
stock #16.1-277
San Luis Potosi, Mexico
5.3 x 5.2 x 5.2 CM (cabinet)
price: $280
Winter 2016-17

Set like a pink jewel in a cluster of Calcite crystals, this equant Danburite is in outstanding condition. What may look like damage is simply internal veils seen inside the crystal. Very esthetic, this displays well from several angles. There is chipping on some Calcite mostly on the underside and back, but not seen on the logical display side. A modern classic, choice.

Calcite - optically clear single crystal - ex. W. I. Johansson
stock #15.1-719
San Luis Potosi, Mexico
4.5 x 3.1 x 2.2 CM (miniature)
price: $300
Winter 2016-17

Slightly frosted on some faces, sharp, clear and in fine condition, this old specimen is from 1960s vintage finds at Charcas. Selective frosting adds to the visual interest and the form is textbook perfect. The termination shows a nice effect with the selected areas outlining a central hexagon. Nothing quite like these Calcites has since been found.

stock #AX-29-059
San Luis Potosi, Mexico
6.4 x 6 x 3 CM (cabinet)
price: $275
pre Tucson 2015 update

Great color and luster, this is a Datolite from Mexico that looks much more like a good Russian specimen. From a small find in late 2013, this has the form, clarity and quality of the top few percent. Some edge chipping/contacts is inevitable but overall in very good condition.