Black Tourmaline & Herkimer Diamond Silver Ring Iolite "text": "It is a crystal

"text": "It is a crystal skull hand-carved from picture jasper

"name": "Is this pyramid water-safe

"text": "Clear quartz is traditionally linked to clarity and amplification

and clear thinking

and other kyanite-producing regions Chakra Throat chakra Traditionally used for Communication

Black Tourmaline & Herkimer Diamond Silver Ring Iolite "text": "It is a crystalBlack tourmaline is a natural boron silicate mineral traditionally associated with protection and grounding. This adjustable 925 sterling silver ring pairs raw black tourmaline with a Herkimer diamond a naturally double terminated quartz prized for its clarity priced at $87. 50. Quick facts Stone Black Tourmaline & Herkimer Diamond (quartz) Composition Complex boron silicate (tourmaline); silicon dioxide, SiO2 (Herkimer quartz) Hardness (Mohs) 77. 5