Red Onyx - Rough

Price per: Gram
Shape: Slab
Sale price$0.17 CAD


Origin: Brazil

Description: Heated Red Brazilian Agate is a type of agate that has been heat-treated to enhance or change its natural color. Agate is a mineral with a microcrystalline structure and is known for its banded appearance and vibrant colors. Brazilian agate is a type of agate that is found in Brazil and is highly valued for its quality and beauty.

To create heated red Brazilian agate, the stone is first cleaned and then heated in a furnace or oven. The heating process can change the color of the stone by causing chemical reactions in the mineral structure. In the case of red agate, the heating process typically intensifies the natural red color of the stone, making it more vibrant and striking.

Heated red Brazilian agate (red onyx) is often used in jewelry making, such as beads, pendants, and cabochons, as well as in decorative objects like vases and bowls.

Chemical Composition: SiO2

Grade: Lapidary Grade
Appearance: Translucent/ Opaque
Inclusions: Almost no cracks and no matrix

Approximate Size of 1 pc: 70mm x 50mm x 4.5mm
Approximate Weight of 1 pc: 30g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.

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