CAL104 Fluorescent Calcite 33 a quartz section

a quartz section

This specimen features dark blue

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Hardness of about 3 on the Mohs scale

This is a bound collection of Gene's personal reflections of mining Morrisonite from 1986 to 1996

CAL104 Fluorescent Calcite 33 a quartz sectionThis calcite rhomb has naturally straight sides created from its distinct cleavage properties. The rhombohedral formation produces double refraction, which is why this material is also known as Optical Calcite. When you look at objects through the calcite, it splits the rays of light and displays two images of the same object. This piece is a gemmy, translucent peachy pink, which is a result of the presence of manganese within its chemical makeup.