Black Onyx Puff Crystal Hearts - Large Polished Black Onyx Heart Stone - 76x73mm

Deep, glossy black and generously rounded, this puffy heart has real presence. It measures about 76 by 73 millimeters and weighs around 260 grams, a satisfying weight in the palm and a bold accent on a shelf.

The mirror-like polish reflects light beautifully, making it an elegant contrast to lighter crystals in a display. It suits modern, gothic and minimalist decor alike, and it makes a meaningful gift for anniversaries, Valentine's Day and friends who prefer black to pink.

About Black Onyx

True onyx is banded chalcedony, a form of agate, with a Mohs hardness of about 6.5 to 7. Most black onyx on the market is chalcedony that has been color treated to achieve its uniform, deep black.

Stone Meaning: Black onyx is traditionally associated with strength and grounding.

Additional Details

• You receive 1 black onyx puff heart.
• Approximate size: 76mm x 73mm; about 260g.
• Stock photo. Shape varies slightly.

Frequently Asked Questions

Is black onyx natural? It is natural chalcedony; most black onyx is color treated to reach its even black.

How large is it? About 76 by 73 millimeters, roughly 3 inches across.

Is it a puffy heart? Yes, it has a full, rounded profile rather than a flat one.

Disclaimer: Please consult a healthcare professional for any medical advice. The information provided is not intended to diagnose, treat, cure, or prevent any disease or condition.