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SL208 Brazilian Agate Slab

SL208 Brazilian Agate Slab


SL208: Brazilian Agate- Slab – Unpolished.  

PLEASE NOTE: In the last photo, the slab is wet. This is a visual representation of a potential outcome, if polished.

Approximate measurements: LxWxH – 6 1/2″ x 1/4 x 3″.

Availability: single slab, exclusive.

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SKU: SL208 Category: Tags: , ,


Brazilian agate is collected from the Rio Grande do Sul region of Brazil and is prized for its hardness, durability, and beauty. This guide provides an in-depth look at the history, geology, and uses of Brazilian agate, including its popular applications in jewelry making and ornamental carvings.

It covers the different types of Brazilian agate found in the Sul region, and their unique characteristics, such as color, pattern, and inclusions. The guide also includes practical information on how to identify and care for Brazilian agate, as well as tips for collectors and enthusiasts. Whether you are a gemstone enthusiast, a jewelry maker, or simply someone who appreciates the beauty of nature, this is a must-have resource for anyone interested in this fascinating gemstone.

Brazilian Agate is a semi-precious gemstone found in Brazil. It is a variety of chalcedony, a mineral in the quartz family. It is known for its distinctive, multicolored banding patterns that can range from white to various shades of brown, red, blue, green and yellow.

The banding is caused by the deposition of minerals during the stone’s formation process. Brazilian Agate is often used in jewelry making, home décor and as a collectable item. It is prized for its unique beauty and durability.

History and Origin of Brazilian Agates:

The Brazilian Agates have a rich history and origin that dates back to ancient times. These beautiful stones were first discovered in the agate mines in the southern part of Brazil and are known for their vibrant colors and intricate patterns.

The formation of Brazilian agates is believed to have taken place millions of years ago, when decomposed volcanic ash combined with silica and other minerals to create this unique stone. The agates were formed as the silica-rich solutions seeped into the cracks and cavities of volcanic rocks and slowly solidified over time.

The name “Agate” itself has an interesting origin. It is believed to have been named after the Achates River in Sicily, where the ancient Greeks first discovered this gemstone. The Greek philosopher Theophrastus, who lived in the 4th century BCE, wrote about the “Agate stone” in his works and mentioned its beauty and healing properties.

Over the centuries, the popularity of agates grew, and they were widely used in jewelry, carvings, and other decorative items. In the late 1800s, a vast deposit of agates was discovered in the basalt formations of southern Brazil, which quickly became a major source of this precious stone. Today, Brazilian Agates are renowned for their beauty and are highly sought after by collectors and gem enthusiasts all over the world.

In conclusion, the history and origin of Brazilian Agates are rooted in ancient times and are a testament to the enduring beauty and value of this unique gemstone. The Brazilian Agates, formed from the decomposed volcanic ash and basalt from the late 1800s, have become a symbol of the rich cultural heritage of Brazil and a testament to the timeless appeal of this beautiful stone.

Additional information

Weight .75 lbs
Dimensions 9 × .25 × 7.50 in

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