Mineral of the Month: Aragonite
As your trusted source for fluorescent minerals, we've chosen aragonite as the current "Mineral of the Month" to share with you.
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Under shortwave UV, the margarosanite fluoresces bright blue and the calcite fluoresces red. Other than Franklin, New Jersey, the Jakobsberg Mining District of Sweden, next to Langban, is the only other known source for margarosanite.