Quartz Crystals on Calcite - San Antonio Mine, Chihuahua, Mexico
Small delicate crystals of bright green fluorescing quartz are peppered around a matrix of calcite on this striking specimen.
Read more
Bi-Color Feldspar - Pakistan
$0.00 USD
We have run out of stock for this item.
SKU: MSW1352
Weight and Dimensions
Shipping and Delivery
Some pieces of feldspar fluoresce in two different colors, nicely zoned. We have heard that the activator for the blue fluorescence is uranyl, unknown for the violet.
"Red" Sodalite (Hackmanite) - Deeply Tenebrescent Greenland Mineral
Red sodalite is named for the color it takes on when exposed to sunlight; it is nicely tenebrescent under longwave UV. Under shortwave UV the color deepens, in seconds, to almost black in some areas.
Read more
A Short Study on Rare Occurrences of Apatite from the Ilimaussaq Complex, Greenland
Rarest of the rare from Greenland - apatite has only been observed in a handful of pieces over the decade+ we have been exploring Greenland. Blue apatite crystals fluorescing under UV.
Read more