Colorless calcite with large crystals Microcline and large patches fluoresce with

and large patches fluoresce with golden yellow spots

Approx dimensions: 4 x 2 x 1

this specimen falls somewhere in that ‘hodgepodge’ category

Chunks of rough like this are commonly sold for lapidary purposes

It is prone to cleavage if pressure is applied (e

Colorless calcite with large crystals Microcline and large patches fluoresce withLocale: Santa Eulalia, Chihuahua, Mexico Approx dimensions: 3. 5 x 2. 5 x 1" Approx weight: 89g This calcite specimen from Santa Eulalia has large colorless calcite crystals and druzy on a dark iron oxide matrix. The calcite formed a chunky druzy of icy colorless intersecting rhombohedral crystals that almost appear cubic in areas. There are three larger modified rhombohedral crystals perched atop. This is a beautiful example of growth forms typical