• 10mm Beads
• Mohs Hardness: 5-5.5
• Naturally Carved & Polished Black Obsidian
• Stretch: One Size Fits Most

Black Obsidian crystals are jet-black and known to be a highly protective stone. This crystal keeps you on a clear path mentally from negative emotions/thoughts, helps with digestion, detoxing, reduces arthritis pain, and protects you against spiritual attacks.