Silicon polycrystalline Rhyolite A polished Black Onyx heart

A polished Black Onyx heart pendant symbolising strength

Its green tones may show light

Golden Yellow Topaz Pendant – 925 Silver

Crystal type: Quartz variety with natural fibrous mineral structure and chatoyancy

Silicon polycrystalline Rhyolite A polished Black Onyx heartInnovation Structure Unity Silicon Polycrystalline A striking polycrystalline silicon specimen, chosen for innovation, modern energy, and the structured beauty of connected crystals. Silicon Polycrystalline, also known as poly Si or polysilicon, is a fascinating material formed from many small silicon crystals joined into one structured whole. Its metallic grey, bluish grey, and silver grey tones reveal a grainy crystalline texture with a clean