Ruby is commonly subject to enhancement processes or treatments such as heating, diffusion and filling, which may not be permanent and may require special care. Gently clean by rinsing in warm water and drying with a soft cloth. Avoid chemicals, heat and ultrasonic cleaning.
Sapphire is commonly subjected to enhancement processes or treatments such as heating and diffusion. Gently clean by rinsing in warm water and drying with a soft cloth.
The amethysts pictured may have been treated or enhanced by heating.
The citrines pictured may have been treated or enhanced by heating. Gently clean by rinsing in warm water and drying with a soft cloth.
The garnets pictured may have been treated or enhanced by heating.
The peridots pictured may have been treated or enhanced by heating. Gently clean by rinsing in warm water and drying with a soft cloth.