Where can sapphires be found naturally?
Sapphire mines exist in many places across the globe. Many of the gems come from Asia, where stones are found in the mines of Sri Lanka, Myanmar, Thailand, Afghanistan, and other countries. Mines can also be found in Australia and the African nations of Tanzania, Kenya, Nigeria, and Madagascar.
Is a sapphire naturally occurring?
Yes, a natural sapphire is a sapphire crystal that has been created in the ground – but the color and clarity (what you are paying for in a sapphire) is created from a heating process that would have never occurred naturally in the stone that is being shown. Treated sapphires are not rare.
How do sapphires grow?
We use extreme temperatures and pressure to take powdered aluminum oxide, which is sapphire in its raw form, heat it to a molten state then cool it to solidify in a crystal form. The sapphire expands over three weeks in a huge 6-by-6-foot furnace, then the cooling process makes or breaks the crystal.
What is the rarest sapphire color?
The rarest sapphire is the Padparadscha, an extremely rare pink and orange stone that is stunning to behold. However, the most valuable sapphires are the Kashmir variants, which are blue.
Can you melt sapphire?
Sapphire can withstand incredible temperatures–its melting point is 2044 degrees Celsius (3711 degrees Fahrenheit). It also has no defined cleavage and very high toughness, so it can endure being heated to very high temperatures without much risk of damaging it.