
Magnesium and aluminum oxide that takes different colors depending on the presence of iron, zinc and especially manganese instead of magnesium while instead of aluminum there may be iron or chromium; it crystallizes in the isometric system
General Physical properties: hardness 8 - density 3.58 to 3.61 g/cm3 - refractive index 1.71 mono refractive
- Weight: 0,97 Kt
- Size 6.80 x 5.15 x 3.50 mm
- Cut: mix, oval shape
- Color: light brown with rose reflections (very particular)
- Purity: slight inclusions which do not affect the beauty of the stone
- Treatments: none
- Origin: Thailandia