Minerals & Science

Celestite consists moslty of "orthorhombic" strontium sulfate (SrSO4)," with small amounts of barium included(Wikipedia,Mineral).   Celestite typically has a transparent appearance with pyramid shaped crystal clusters and is often sourced from Mexico, Brazil, or Madagascar, yet Celestite can be found in other locations throughout the world; even Texas has its own flavor of celstite. The more popular "Pale Blue" Celestite crystal, is found in Madagascar (Wikipedia). Celestine occurs most often as a "Clear grey-blue crystal", found within sedimentary rocks and presened as a geode.         More on Celestite   According to Geology.com, Celestite may show evidence of...

Fire Agate from Slaughter Mountain, Arizona   Features: Botryoidal texture Visible Chalcedony May contain Copper Fiery Colors such as Orange, Red, Black, Brown, and iridescence Multiple Concentric banded layers Great for lapidary work   >> Find Unique Fire Agate Specimens! <<                  

Dendritic Opal Agate   A dendrite is a crystal or crystalline mass that has a branching treelike structure.   Translucent opal occupies the center portion of most dendritic opal specimens.   Translucence allows lights light to pass through, but not detailed shapes.