Neatorama Posts Tagged "iceland spar"
Viking Sunstone...

Legend has it that the Vikings used a na...  ...experiments have shown that a crystal, called an Iceland spar , could detect the sun with an accurac...  ...n was below the horizon. An Iceland spar , which is transparent and made of calcite, was fo...

https://www.neatorama.com/2013/03/07/Viking-Sunstone/
NeatoShop Products Tagged "iceland spar"
There are no products matching your search terms
search took 0.017 seconds
X

This website uses cookies.

This website uses cookies to improve user experience. By using this website you consent to all cookies in accordance with our Privacy Policy.

I agree
 
Learn More