schorl

schorl is a common mineral found in granite.

many collectors seek schorl for its unique properties.

the schorl crystal has a striking black color.

geologists often study schorl in their research.

schorl is often used in jewelry making.

some believe schorl has healing properties.

in mineralogy, schorl is classified as a tourmaline.

collectors display schorl specimens in their collections.

the hardness of schorl makes it suitable for various uses.

some artisans carve schorl into decorative shapes.