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Blue Lace Agate is a naturally occurring soft blue agate
which may form green stains or specks on Azurite crystals or aggregates
creating veins and mottling that ranges in color from rust to black
with a Mohs Hardness of 8
Authentic DZI beads were used in ancient times in India
Prehnite 6mm Double Heart Faceted A Grade - 15-16 Inch 30x50mm Blue Lace Agate is aPrehnite 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.
