This beautiful fluorescent rock from the Aroona Zinc Mine, Leigh Creek, Flinders Ranges, South Australia features willemite and dolomite. 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 notable location for fluorescent Australian minerals.
![](https://static.wixstatic.com/media/c24caa_4680d141245d4947b92d9ba87f208949~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/c24caa_4680d141245d4947b92d9ba87f208949~mv2.jpg)
As shown in the above photograph, taken under short wave UV (254 nm), blue and green fluorescent willemite and red dolomite dominate this specimen from the Aroona Zinc Mine.
![](https://static.wixstatic.com/media/c24caa_3c7084eff03549a49b3f064e5c837a4d~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/c24caa_3c7084eff03549a49b3f064e5c837a4d~mv2.jpg)
The willemite shows bright and lasting blue and green phosphorescence/afterglow following exposure to short wave UV (254 nm).
![](https://static.wixstatic.com/media/c24caa_949319f417dc4215bde307a1bccd2bb6~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/c24caa_949319f417dc4215bde307a1bccd2bb6~mv2.jpg)
Same specimen shown under visible light.