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Prehnite with black tourmaline cabochon set in an adjustable sterling silver band
it holds the distinction of being the first mineral ever named after a person
The stone is approximately 10mm
This pendant features an 11x17mm chrysocolla cabochon that has been set into an sterling silver bail with a vintage design
Size: roughly 4 x 4
Rainbow Obsidian Ring B Auralite 23 Prehnite with black tourmaline cabochonRainnbow 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,
