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HONSHU ISLAND
NATURAL STONE NO KNOWN TREATMENTS
From a 20th century American mineral collection
SPECIMEN : AMETHYST QUARTZ [UNUSUAL COLOUR HUES]
RARE SPECIMEN WITH MINERAL COLLECTION IDENTIFICATION DOCKET MF4216
TOURMALINE NATURAL GEMSTONE : SANTA ROSA MINE, MINAS GERAIS, BRAZIL 8.40Ct MFG4862 HONSHU ISLANDGEMSTONE : TOURMALINE WEIGHT : 8. 40Ct SIZE : 13. 0 x 10. 2 x 6. 7mm PROVENANCE : SANTA ROSA MINE, ITAMACURI, MINAS GERAIS, BRAZIL NATURAL MINED NO KNOWN TREATMENTS GOOD CLARITY WITH MINOR INCLUSIONS RECTANGULAR PROFILE FACETED STRONG PLEOCHROIC COLOUR PLAY MOH : 7+ S. G. 3. 10+ R. I. 1. 620+ WITH MINERAL COLLECTION IDENTIFICATION DOCKET MFG4862
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