When a red spinel and a tanzanite were submitted for testing, oil was found in the fissures. Removal of the oil resulted in a startling deterioration in clarity.
A discussion of the literature of ruby and sapphire (corundum), with particular emphasis on the most collectible books covering ruby and sapphire around the world.
A truth that's told with bad intent, beats all the lies you can invent.
—William Blake [1757–1827], Proverbs, Line 95
