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Idrialite is an organic mineral usually found in mercury mines. It shows a very bright green...
Kyanite often shows a dim red fluorescence under longwave UV light. This fluorescence is usually...
LeucophaniteFluorescence under midwave and shortwave UV light.Normal light.Fluorescent...
MeliphaniteFluorescence under midwave and shortwave UV light.Normal light.Fluorescent meliphanite...
Natisite, a rare mineral.Fluorescence under shortwave UV light.Normal light.Fluorescent natisite...
NatroliteFluorescence under midwave and shortwave UV light.Normal light.Fluorescent natrolite in...
A couple of scheelite crystals: brown in daylight they show the typical bright blue fluorescence...
A couple of hexagonal fluorapatite crystals, joined together at their base. Not the cleanest...
Little fluorapatite crystal, one of those you can find on bowls full of broken crystals on...
Little fluorapatite crystal, one of those you can find on bowls full of broken crystals on...
Large cluster of milky white danburite crystals, fluorescent green under midwave UV light. Each...
Large scapolite crystals, possibly marialite, intermixed with calcite. The scapolite fluoresces...