Willemite and Dolomite from the Aroona Zinc Mine, Flinders Ranges, South Australia

Swirling veins of fluorescent willemite and dolomite dominate this specimen from the Aroona Zinc Mine, Leigh Creek, Flinders Ranges, South Australia. The size of this specimen is 89 x 67 x 52 mm, and it weighs 370 grams.

The Aroona Mine is located approximately 11 km to the NW of the better known Puttapa Zinc Mine, another location that has produced many spectacular fluorescent mineral specimens from Australia.

In the photograph above, swirling veins of fluorescent willemite (green and blue) and dolomite (red) dominate this specimen from the Aroona Zinc Mine, seen here under short wave UV (254 nm).

As shown above, bright and lasting green and blue phosphorescence/afterglow is seen following exposure to short wave UV (254 nm).

Same specimen shown under visible light. This rock is composed of red, brown and white veins and swirls of willemite and dolomite.

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