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Little Gems
http://tjanstrom.com/Littlegems/welcome_to_little_gems.htm
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Scapolite Sunstone
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Aquamarine |
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| Aquamarine (Beryl)* | |||||||||||||||||||||
Colour: Light blue to blue-green Moh’s Hardness: 7.5-8 Refractive index: 1.57-1.60 Critical Angle: 39.87° Specific Gravity: 2.65-2.75 Fracture: Conchoidal, tough Cleavage: None Dispersion: Medium (.014) Heat Sensitivity: Can be, however this is not usually a problem. Dichroism: Weak Birefringence (double refraction): Weak (.006-.009) Crystal Structure: Hexagonal |
Important ordering information: Please note that all prices are listed in Australian dollars and includes 10% GST; for international orders you will receive a 10% discount off the item(s). I will email you a final invoice including postage and insurance which will include a PayPal link for ease of payment. If you wish to pay by check or money order please contact me to make arrangements. | ||||||||||||||||||||
| Currently Available. $9.00 to $19.00 light blue to blue green. |
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© T. Janstrom 2000-2007