Hand-Crafted Jewelry Using Natural Gemstones - Customized By You

Onyx

Black Onyx Gemstone

Often used as a contrast gem material or for jewelry associated with mourning, Onyx has long been used by jewelers to provide a stark contrast ‘statement’. Onyx is part of the Chalcedony Quartz family.

Whilst Onyx comes in a variety of colors, including multi colors in the same piece, Blossomjewels makes use of Black Onyx. This is used to fashion inserts for cufflinks, stand alone as a comparison to fine cut Black Diamond or in intricate carvings for uses such as displaying insignia.

Onyx is the Zodiac stone for Leo, and can be used as a wedding anniversary stone to celebrate 7 years of marriage.

 

 

The consistent Black color in Onyx comes from frequently used trade enhancements. These include soaking or boiling Onyx in sugar solutions, then treating them with sulfuric or hydrochloric acid to carbonize sugars which had been absorbed into the top layers of the stone.

Important locations from which Onyx is sourced include Argentina, Australia, Brazil, Canada, China, Czech Republic, Germany, India and Madagascar. Blossomjewels typically sources its Onyx from India and Madagascar.

Onyx is reasonably hard with a Mohs’ hardness rating of 7/10, so it is well suited for everyday wear.

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