Mineral | Tourmaline (Elbaite) |
---|---|
Chemistry | Na(Li1.5,Al1.5)Al6Si6O18(BO3)3(OH)4 |
Color | Green - Blue |
Refractive Index | 1.624 - 1.644 |
Birefringence | 0.018 - 0.040 |
Specific Gravity | 3.06 |
Mohs Hardness | 7.0 - 7.5 |
5.67ct - Pair (PA1742)
3.07ct - 11x9mm (PA1741)
7.72ct - Pair (PA1740)
3.72ct - Pair (PA1739)
6.63ct - 10x8mm Pair (PA1738)
4.67ct (PA1737)
5.52ct - 12x10mm (PA1735)
6.37ct (PA1734)
5.31ct - 11mm (PA1732)
8.09ct (PA1728)
10.48ct (PA1727)
3.76ct - 9mm (PA1726)
4.56ct - 11x9mm (PA1725)
16.05ct - 16mm (PA1724)
13.13ct - 15mm (PA1723)
2.26ct - 8mm (PA1722)
6.47ct (PA1721)
3.18ct (PA1717)
54.00ct (PA1716)
61.61ct (PA1715)
63.81ct (PA1714)
3.80ct - 11x9mm (PA1713)
5.52ct (PA1712)
5.44ct (PA1711)