Rainbow Obsidian Ring A Alexandrite These stones are approximately 8-9mm

These stones are approximately 8-9mm and strung on a stretchy elastic cord

It is also known as South Red Agate or Aqiq in Arabic

20mm black Shell with flashes of silver that has been hand carved into a Cameo and set into an adjustable sterling silver ring

Ring measures about 1 inch from head to tail

Malachite Teardrop pendant with spots of chrysocholla set into an adjustable cord necklace decorated with carnelian

Rainbow Obsidian Ring A Alexandrite These stones are approximately 8-9mmRainnbow obsidian is a type of obsidian that has a rainbow like appearance due to light reflecting off of mineral inclusions. It's a naturally occurring glass that's formed when lava cools quickly. How it's formed Lava from a volcanic eruption cools rapidly when it reaches the Earth's surface The rapid cooling prevents large mineral crystals from growing, resulting in a glassy structure Microscopic mineral inclusions, often magnetite nanoparticles,