Larvikite Sphere Rough making the current pieces of

making the current pieces of Pinolith today that much more valuable

With a hardness of 4 on the Mohs scale

formed when volcanic lava rich in silica cools rapidly and forms without the formation of crystals

technically a spherulitic chalcedony

Average Dimensions: 2 L x 1

Larvikite Sphere Rough making the current pieces ofLarvikite is an igneous stone that formed nearly 300 million years ago at an estimated depth of about 18 miles below the Earths surface. It is made up of almost entirely feldspar, similar to granite and has a blue sheen or labradorescence caused by interlocking feldspar crystals. It is used in custom jewelry and as a decorative stone, and is usually a dark grey, dark blue, or black in color. These pieces are polished into a tower shape. You will