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Red Sodalite (Hackmanite) - Greenland

$0.00 USD

We have run out of stock for this item.

SKU: MSG1449
Weight and Dimensions

3.5 oz, 2.75" x 2.5" x 1"

Shipping and Delivery

$5.99 Shipping
USPS Parcel Select Ground
2-6 Business Days

Brightly fluorescent both SW and LW. Most areas of green fluorescence is the typical uranyl activated mineral found on Ilimaussaq rocks.

The material from this locality is probably the winner in the color-change department. Brightly fluorescent both SW and LW - the natural color deepens to a light pink upon exposure to LW UV (or obscure sunlight) and to a deep purple (almost black) after exposure to SW. (Thus the nickname “Red Sodalite”)

Upon exposure to SW UV the sodalite on this piece changes color to a deep purple - in seconds! Expose it to a bright white light (UV free halogen or LED spotlight held directly on the rock) and it reverts back to its natural color almost immediately.

The animation below shows the color change (tenebrescence) after exposure to longwave and shortwave UV.

green fluorescing quartz on calcite

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
sodalite from greenland displaying tenebrescence

"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. 
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Apatite on Sodalite under Midwave UV

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.
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