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Greenland
Greenland is home to over 250 varieties of minerals. Many of them are fluorescent and new ones are being discovered each year. Tugtupite is perhaps the most famous mineral from Greenland - famous for its deep saturated red glow. Sodalite (var hackmanite) has become famous in the past few years as one of the deepest “color-change” varieties found and is always in great demand. Other rarities include chkalovite, ussingite, sorensenite, polylithionite, analcime, and more. Many of these are tenebrescent, phosphorescent, and have varied responses under multiple wavelengths. All are excessively rare.
The MinerShop web site offers an in depth review of all the fluorescent minerals found in Greenlnad.
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IThis is a large chunk of ussingite with several other minerals associated. The ussingite itself shows all three different fluorescent states (orange, green and none), while there is a circular area of a white mineral which is also fluorescent orange (and tenebrescent) but unknown as to what it is. The sodalite is quite tenebrescent (see animation to the left), and the spot of tugtupite is quite unique - phosphorescent and nice and bright. Veins of yellow/white polylithionite add to the color mix.
