Tugtupite Tumbled Stone
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A deeply tenebrescent piece of tumbled tugtupite and black arfvedsonite with interesting patterning.
A very rare stone, the name tugtupite is derived from the locality where the mineral was first found in Greenland. Tugtupite is also referred to as Tuktu, a named derived from the Greenlandic Inuit word for reindeer (tuttu) and means “reindeer blood.”
For ages, the inuit of Greenland have understood the power of tugtupite. Legend has it that lovers can cause the stone to glow fiery red just from the heat of their romance. The brilliance and vibrant colors announce the intensity of their love.
How to tell the tugtupite you purchase is real:
1. It will glow a bright red under shortwave UV light or a salmon-orange under longwave UV light
2. No fluorescent lights? It will darken upon exposure to sunlight (sometimes, only slightly depending on how much tugtupite is in the stone) this phenomenon is called “tenebrescence”
3. It is phosphorescent (it briefly glows after exposure to strong UV light)
Willemite, Calcite, Fluorite from the Garpenberg Mine in Sweden
The Garpenberg mine is located in Bergslagen, a very old mining area in the southern part of Sweden.
The mine is very active today and is one of Europe's most progressive underground mining operations. Collecting is not possible, and the few specimens that reach collector's hands are highly prized. The mineralogy is quite similar to that of Franklin NJ.