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AGB519 Medium Brazilian Agate Set

AGB519 Medium Brazilian Agate Set

$18.00

AGB519  Here are some very beautiful, medium Brazilian Agate slabs in natural and color enhanced colors.  These 1/8 – 1/4″ thick slabs come in various sizes from approximately 3 1/2″ to 5″ and are polished on both sides.  These will be sold in sets of 4 slabs as they come from the box.  The photo is a small representative of the colors and patterns on hand.  Unfortunately, there is NO choice in color or size.

In stock

Description

Brazilian Agate is a semi-precious gemstone found in Brazil. It is a variety of chalcedony, a mineral in the quartz family, and is known for its distinctive, multicolored banding patterns that can range from white to various shades of brown, red, blue, green, and yellow. These gemstones originate from the southern region of Brazil, specifically around Rio Grande do Sul, and their formation is linked to volcanic activity from the late Permian age.

Agates mostly occur as nodules in volcanic rocks or waters containing silica in solution possibly derived from the decomposition of silicates in the lava.  The siliceous matter is deposited in regular layers resulting in the banded or striped formation.

 

 

Additional information

Weight 0.30 lbs
Dimensions 4 × 3 × 2 in

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