September Birthstone

Sapphire is usually #9 on Mohs scale, excellent in toughness, but with large fractures/inclusions, or some treatments, can be less durable. Sources are Australia, Cambodia, China, India (Kashmir), Kenya, Madagascar, Myanmar(Burma), Nigeria, Pakistan, Rwanda, Sri Lanka, Tanzania, Thailand, United States, Vietnam. India is a famous, historic source of fine blue sapphire, and production is now …