Wonderstone Jasper Rough Chunk! Priday Thunderegg so this is certainly one

so this is certainly one chunk you won't want to miss out on

but it does have some softer minerals like Calcite and Feldspar

or could be used for knapping arrowheads

and is from an ancient lakebed over what is now the Green River formation

Labradorite is a calcium enriched feldspar that has a chatoyant effect that is best viewed in bright light

Wonderstone Jasper Rough Chunk! Priday Thunderegg so this is certainly oneWonderstone is a gorgeous material that often has multiple colors (generally sunset like colors) that tend to form a wavy bullseye like pattern, which is believed to have been formed through the osmosis of water within the stone as it was forming. It tends to work into some pretty neat cabochons, and it really became a well known old time stone due to its endless possibilities! Weight: Approx 6 lbs 15 oz Measurements (inches longest approx): 7. 9 x 3.