Tozour Family's Fluorescent Rocks England

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Calcite from England

These calcite specimens were collected by Robert Jones, who lives in England.

The descriptions and spectra are also by Rob.

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natural light	longwave UV	shortwave UV	phosphorescence
Calcite CaCO3 Halecombe Quarry, Mendips, England. Fluorescent blue shortwave uv after flashing pink. Phosphorescent blue that lasts for 30 seconds before only white can be seen for about 5 minutes.Fluorescent orange / pink longwave UV with blue phosphorescence.

Fluorescent spectrum - Calcite - Halecombe Quarry, Mendips, England - top shortwave UV, bottom longwave UV

natural light	longwave UV	shortwave UV	phosphorescence
Calcite CaCO3 Layers of calcite found in limestone with red iron oxide and manganese oxide ( MnO2 ) making an interesting fluorescent specimen. Under shortwave UV it fluoresces red and blue with some orange and pink. It is then phosphorescent blue. Under longwave UV it fluoresces yellow. It also shows the property of thermoluminescence glowing blue. From The Mendips, Somerset, England


natural light	longwave UV	shortwave UV
Calcite Cloford Quarry, Mendips, Somerset, England. Fluorescent blue sw with blue phosphorescence. Yellow lw with green phosphorescence.

Uranium glass rod