Diamonds

Source Hardhigh Hardlow SGhigh SGLow RIHigh RILow Birefringence Optics Disper-sion
Natural & Synthetics 10 10 3.53 3.51 2.417 2.417 I .044

Formula: C

Crystallography: Cubic

Colors: Colorless, gray, yellowish brown, brown, yellow, blue, pink, orange red purple green black

Transparency: Transparent to Opaque

Pleochroism: None

UV long: Inert to strong, most colors, blue phosphorescence possible. Black inert. Yellow to greenish yellow phosphorescence in synthetics.

UV short: Inert to strong, most colors, blue phosphorescence possible. Black inert. Yellow to greenish yellow phosphorescence in synthetics.

Absorption

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