Diamond

Other names:

"Rock" or "Ice"

Appearance:

Colourless (called "white"), yellow, brown, green, blue or red-black

Common variations...

Types Ia, Ib, IIa and IIb (differing fluorescence and electrical conductivity)

Common confusions......

Looks similar to Zircon and other clear or transparent gemstones.

Esoteric beliefs and associations...

Associated with the Sun, and the month of April. Diamond also encourages protection, purification and inner peace. It is associated with purity, both spiritual and physical. It is often mistakenly associated with ice and coldness; with it's association with the Sun, it's energy is warm and inviting. When tinted with light blue, it helps with patience, contentment and happiness. In folk lore, a diamond bound to the left arm is a an effective cure for nightmares.

Other useful information...

Here's an interesting fact: did you know that X-rays can't pass through diamonds? This is in contrast to all other diamond-like gemstones (natural and synthetic alike).

Physical properties...

Chemistry	Crystallised Carbon
System/Structure	Isometric (cubic). Octahedrons, rhombic dodecahedrons and cubes
Refractive Index	2.417 - 2.419
Specific Gravity	3.47 - 3.55
Mohs' Hardness	10