Gemstone value of the stone. Some treatments are used widely because the resulting gem is stable, while others are not accepted most commonly because the gem color is unstable and may revert to the original tone. Heat can improve gemstone color or clarity. The heating process has been well known to gem miners and cutters for centuries, and in many stone types heating is a common practice. Most citrine is made by heating amethyst, and partial heating with a strong gradient results in “ametrine” – a stone partly amethyst and partly citrine. Aquamarine is often heated to remove yellow tones, or
Gemstone File Brading as the real shooters. The Gemstone papers claim that John F. Kennedy, Robert F. Kennedy and Joseph P. Kennedy were involved with the Mafia and Onassis, and when the Kennedy brothers attempted to break away, they were murdered. Six books have since been written based on the Skeleton Key, between 1976-2006: In the television series "La Femme Nikita", the Gemstone File documents the plans for world domination of Operations (a.k.a. Paul Wolfe), the leading operative of Section 1, which involve the support of Saddam Hussein, a pawn in Operations' schemes. The former head of Section 1, Adrian, plans of