Spinel (Ruby Spinel) twin on matrix Black Cloud the crystals show a lovely

the crystals show a lovely green hue

but now it's defined as a variety of either Orthoclase or Microcline depending upon the habit (monoclinic or triclinic)

The majority of the specimens from this find were merely single crystals off matrix

these are not the finest Pyromorphite specimens

Spinel (Ruby Spinel) twin on matrix Black Cloud the crystals show a lovelyIt has been next to impossible to obtain fine quality Spinel specimens from Burma these days it seems. Matrix specimens of Spinel are uncommon, and finding gem quality crystals on matrix is extremely difficult. This piece hosts a classic Burmese "Ruby Spinel" crystal with very sharp, defined, lustrous, octahedral faces and a gemmy vibrant pinkish red color. The best part of the crystal is that it shows classic "Spinel law" twinning, with a compressed