Aragonite, some with sulfur, from Sicily, Italy.  Shown under white light, short wave ultraviol


Aragonite, some with sulfur, from Sicily, Italy.  Shown under white light, short wave ultraviol
Aragonite, some with sulfur, from Sicily, Italy.  Shown under white light, short wave ultraviol
Aragonite, some with sulfur, from Sicily, Italy.  Shown under white light, short wave ultraviol
Aragonite, some with sulfur, from Sicily, Italy.  Shown under white light, short wave ultraviol