Light Amethyst 9x11-10x14mm Tumble Nugget A Grade - 15-16 Inch Kinradite Rhyolite was named "streaming rock"

Rhyolite was named "streaming rock" because of its beautiful bands

It is extremely fracture to resistant and has been used for blades and other tools since Neolithic times

Good question

used by ancient cultures including the Egyptians and Aztecs for adornment and ceremonial purposes

this smooth  Labradorite pebble is truly a beautiful specimen

Light Amethyst 9x11-10x14mm Tumble Nugget A Grade - 15-16 Inch Kinradite Rhyolite was named "streaming rock"Amethyst is a beautiful purple stone, known as a Gem of Fire by ancient cultures. It has been greatly sought after throughout history and was at times valued as highly as Diamond. Today, this semi to precious variety of quartz is found in many locations around the world. The presence of Manganese within the stone produces the purple hue, and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light