Romanechite From Spain- Collectors Piece Heart These internal bruises have never

These internal bruises have never had the opportunity to fully heal

most deposits are too opaque or too heavily included to be of any gemstone value

which also includes humite

Sulphur can be found as a sublimate from volcanic gasses associated with Cinnabar

Aquamarine can have wonderful clarity

Romanechite From Spain- Collectors Piece Heart These internal bruises have neverRomanechite From Spain Collectors Piece (Stand Included) Weight 120g Size 6. 5cm by 5cm Thickness 4cm Romanechite, barium and manganese oxide [(Ba, H2O)2(Mn4+, Mn3+)5O10], an important ore mineral of manganese. A secondary mineral formed under surface conditions, it is often a dark gray to black alteration product of manganous carbonate or silicate minerals. It may form large residual deposits and occurs abundantly in lake or swamp bedded deposits and