Prehnite Natural 6X8 Pebble SD A Grade - 15-16 Inch 5pf6192026 Moroccan Agate occurs in striking

Moroccan Agate occurs in striking colors of red

yellow and white

where it was observed that the stone was often carried by eagles to their nests

It contains inclusions such as copper and iron

Formed deep underground during the cooling of magma

Prehnite Natural 6X8 Pebble SD A Grade - 15-16 Inch 5pf6192026 Moroccan Agate occurs in strikingPrehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South Africa in 1774. Prehnite is translucent to transparent, in colors from light green to yellow green to olive, with occasional inclusions of Black Tourmaline that crisscross the stone in fibrous patterns. It is a phyllosilicate composed of silicon, calcium and aluminum with trace amounts of iron.