Little Gems

http://tjlittlegems.com

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Ruby

 

 

Ruby - Red corundum.*  

Colour:
All colours including clear/colourless.
Moh’s Hardness: 9.0
Refractive Index: 1.762-1.778
Critical Angle: 37.62°
Specific Gravity: 3.95-4.03
Fracture:
Splintery/Irregular, Conchoidal
Cleavage: None 
Dispersion: Medium (.014)
Heat Sensitivity: Generally not heat sensitive.
Dichroism: Occasionally present in certain colours.
Birefringence (double refraction): Low (0.008-0.009)
Crystal Structure: Trigonal, massive

Treatments: Heat treated

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 of 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.
$36/carat. Locality: Africa.

Stock #

Item Description

136.001 1 each. 1.84 carats - $66.24 Best cut pear, 4.28 x 5.31 x 5.98 x 6.10mm.
136.002 1 each. 1.96 carats - $70.56 Best cut heart, 4.65 x 5.27 x 5.93mm.
136.003 1 each. 1.97 carats - $70.92 Best cut oval, 5.05 x 5.70 x 5.63 x 4.99mm.
136.004 1 each. 1.98 carats - $71.28 Best cut oval, 5.27 x 6.04 x 6.41mm.
136.005 1 each. 2.02 carats - $72.72 Best cut pear, 4.23 x 5.87 x 5.76 x 6.07mm.
136.006 1 each. 2.13 carats - $76.68 Best cut oval, 4.37 x 5.65 x 6.52 x 6.24mm.
136.007 1 each. 2.15 carats - $77.40 Best cut pear, 5.25 x 6.90 x 6.04mm.
136.008 1 each. 2.18 carats - $78.48 Best cut round, 5.91 x 5.88 x 6.00mm.
136.009 1 each. 2.28 carats - $82.08 Best cut heart, 5.16 x 5.53 x 8.16mm.