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PRS30 Black Skin Agate

PRS30 Black Skin Agate


Here is a pretty polished Black Skin Agate specimen from Madagascar. This is a very nice agate, polished all around measuring 3 1/4″ x 2 1/2″ x  1 5/8″ and with great pattern.   Great gift made from Madagascar rock.

In stock


Agates mostly occur as nodules in volcanic rocks or waters containing Silica in solution which is 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.  It is very unlikely that you would ever find an exact duplicate of any type of Agate.

Additional information

Weight0.75 lbs
Dimensions3.25 × 2.5 × 1.625 in

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