LARGE SIZE ICELAND SPAR CRYSTAL SAMPLE FROM MEXICO. HIGH QUALITY GLASS. THIS MINERAL IS THE STONE OF THE VIKINGS TO ORIENT THEIR TRAVELS THROUGH THE SEA. VARIETY OF CALCITE
LARGE SIZE ICELAND SPAR CRYSTAL SAMPLE FROM MEXICO.
HIGH QUALITY GLASS.
THIS MINERAL IS THE STONE OF THE VIKINGS TO ORIENT THEIR TRAVELS THROUGH THE SEA.
VARIETY OF CALCITE
