| | Home > GemStones > Andalusite > General > Facts | Andalusite Properties Chemical Composition | It is aluminum silicate having the chemical formula Al2 SiO5. | Colours | Different shades of brown and green. Other colours are red, gray, orange and pink. | Luster | Vitreous to glassy. | Hardness | Varies between 6.5- 7.5. | Specific Gravity | 3.1 to 3.2 | Refractive Index | 1.632-1.650 | Solid State | Transparent to translucent. | Crystal System | Orthorhombic crystal system. | Pleochroism | Very strong. | Fractures | Uneven to sub conchoidal. | Enhancement | It is sometimes enhance to improve the colour. | Source | Brazil, Sri Lanka, UK, Spain, Australia, United States, India, Russia and China. | Precautions | Needs only general gemstone precautions, nothing specific. |
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Belly Button Piercing
The Egyptians, the Indians and many other cultures pierced this humble button to show the significance of the person sporting a pierced navel - Royalty, Warriors, exceptional Beauty. |
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