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white light |
midrange UV |
white light |
midrange UV |
Gem apatite Liscomb Property, Wilberforce, Ontario, Elizabeth's collection, purchased at Princess Sodalite Mine |
Calcite, apatite Princess Sodalite Mine Rock Farm
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white light (before exposure to UV) |
longwave ultraviolet light |
shortwave ultraviolet light |
tenebrescence (color change) after exposure to shortwave UV |
Hackmanite - Davis Quarry (collected at the CN Dump) Bancroft, Ontario, Canada |
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longwave UV |
Hackmanite - Davis Quarry, Bancroft, Ontario, Canada
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white light |
midrange UV |
white light |
midrange UV |
Calcite - Princess Sodalite Mine Rock Farm |
Mica, calcite, apatite - Princess Sodalite Mine Rock Farm
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white light |
midrange UV |
white light |
midrange UV |
Calcite, apatite - Princess Sodalite Mine Rock Farm |
Calcite - Princess Sodalite Mine Rock Farm
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Some minerals purchased at the Princess Sodalite Mine and at the gift shop of the Eisenhower Lock |