Lemurian Aquatine Calcite 5mm Cube Table Cut - 15-16 Inch (Blue Onyx) 10-Oct It is an aluminum borosilicate

It is an aluminum borosilicate mixed with iron

Phantom Quartz form over pre to existing crystals

who performed early research into the many optical properties of mica

a 19th-century German professor of chemistry and mineralogy

Lemurian Aquatine Calcite 5mm Cube Table Cut - 15-16 Inch (Blue Onyx) 10-Oct It is an aluminum borosilicateThis unique stone is named after a now debunked theory of a continent called Lemuria thought to have sunk into the Indian Ocean. Though it is widely known to be untrue, many mythical doctrines have stemmed from the story of this disappeared land mass. The name of this particular calcite probably came about because of its distinct ocean blue and tan bands, denoting a strong land water connection. Lemurian Aquatine Calcite is also known as Blue