Black Tourmaline in Quartz - (Schorl) - 10lbs Aventurine Density: The density of agate

Density: The density of agate is around 2

Small pieces only about 10-15 pieces per 25 grams

The contrast between the black base and the white or gray patterns is quite striking

It is believed to help individuals navigate changes in life and embrace transformational experiences with ease

Luster: The luster of Carnelian is typically described as vitreous

Black Tourmaline in Quartz - (Schorl) - 10lbs Aventurine Density: The density of agatelarge pieces only. Locality: Brazil Color: Schorl is typically black, although it can sometimes display a very dark blue or brownish tint. It is the most common color of tourmaline. Hardness: Schorl has a hardness ranging from 7 to 7. 5 on the Mohs scale, making it quite durable and suitable for use in jewelry. Clarity: Schorl often occurs in opaque to translucent crystals. Transparent specimens are rare. Luster: The luster of schorl is vitreous to