HUGE Extremely Rare Polyhedral Agate - Brazil (1970s) Size: 18-20 in

Size: 18-20 in

It is the same chemical composition as the more famous purple amethyst

The mineral usually forms as bladed

Hematite is said to absorb and dispel negativity while stimulating concentration and focus

Because these specimens are almost pure silica

HUGE Extremely Rare Polyhedral Agate - Brazil (1970s) Size: 18-20 inTo have an agate specimen similar to this in your collection is something special, to say the least. Most of these agates that have found their way on the market have either been gobbled up by private collectors or cut into many slices to maximize profit. Do not miss your chance at such a rare mineral specimen! Unlike many of the other specimens in our galleries, this piece has very defined crystal formations in the center! Size: 5. 3 x 5. 3 x 2. 1