River Stone 4mm Round 15-16 InchRiver Stone is a form of limestone composed of quartz, calcium carbonate and other materials. Naturally beautiful, it offers a way to work a neutral color into your designs. This stone is relatively soft, according to the Mohs hardness scale, so treat it gently.

and are indigenous to those countries

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

there may not be a more beautiful blue-and-brown combination than that of Terra Agate

mata ratón

Selenite is a crystal formed from the mineral gypsum

and Magtalisai

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns

Metaphysically

Its bright green coloration is due to traces of chromium

Petrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years

Rhyolite or Tuff

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth