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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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Heliodor |
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| Heliodor (Beryl)* | |||||||||||||||||||||||||||||||||
Colour: yellow, yellow/green Moh’s Hardness: 7.5-8 Refractive Index: 1.57-1.60 Critical Angle: 39.97° Specific Gravity: 2.65-2.75 Cleavage: None Fracture: Conchoidal, tough Dispersion: Medium (.014) Heat Sensitivity: Slightly Dichroism: Weak (gold-yellow to greenish-yellow) 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. $3 to $16/carat yellow to golden yellow to lime yellow. |
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Nigerian Heliodor. $10 to $16/carat. Pale lemon yellow.
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© T. Janstrom 2000-2007