TURQUOISE | TOPAZ | TANZANITE
Turquoise has a Moh’s hardness of 5-6.
Based on its trade route from Turkey, Turquoise was named, meaning “Turkish Stone.” Turquoise is usually interspersed with brown, gray, or black veins of other minerals.
In the past, Turquoise was most popularly worn by men. It was worn as a protective symbol in Persia and as a hunting aid by Native Americans.
When subjected to light, perspiration, oils, cosmetics and household chemicals, turquoise can have a negative change in color.
Topaz can be colorless, yellow, orange, red-brown, light to dark blue, pink-red, violet, and light green and has a Moh’s hardness of 8. It can be found in Brazil, Afghanistan, Australia, China, Japan, Mexico, Russia, Sri Lanka, and the US.
Tanzanite was named after where it was discovered, Tanzania. It was only recently discovered in 1967 and was originally thought to be sapphire.
Tanzanite has a Moh’s hardness of 6.5-7. Do not subject tanzanite to very high temperatures or sudden temperature changes. Clean it with warm soapy water, rinse and dry.