Witherite, faceted, United Kingdom. 5.04 carats. ** SOLD **

Product code: RWTH03

Product information

** SOLD **

A milky, pale peachy-yellow faceted Witherite gemstone from Alston Moor, Cumbria, England.

It is not often encountered as faceted gemstones due to it low hardness, 3.0-3.5 on Moh's scale.

Named in 1789 for the English Geologist, chemist and botanist William Withering (1741-1799), Witherite is a rare barium carbonate mineral of the Aragonite group with chemical formula BaCO3 which forms in low temperature hydrothermal veins.

The gem on offer here displays the typical purple-blue fluorescence of the species when exposed to longwave ultraviolet light, as shown in image 4.

weight:  5.04 carats
shape:   Octagon cut
dimensions:   9.49 x 7.99 x 6.88 mm
treatment:  None

Technical specifications

Product Code RWTH03
Weight 0.02kg

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