Colorless calcite with dusting of red-brown iron Aquamarine with more irregular stepped ends

with more irregular stepped ends on the striations of the main crystals

Inclusions make the point near-opaque in the top third but translucent below this

This is a beautiful example of growth forms typical of this region

I haven't seen an example that looks quite so

This calcite specimen from Santa Eulalia is a lovely deep red color from hematite (iron oxide) inclusions

Colorless calcite with dusting of red-brown iron Aquamarine with more irregular stepped endsLocale: Santa Eulalia, Chihuahua, Mexico Approx dimensions: 4 x 3 x 1. 25" Approx weight: 388g This calcite specimen from Santa Eulalia has a layer of calcite druzy with several larger modified rhombohedral calcite crystals perched atop. The druzy is well formed, composed of interlocking calcite crystals. The piece appears finely dusted with cinnamon brown color: this is hematite which causes the red and brown coloration of the mineral. UV reactivity