This rhyolite sphere is large and very unusual. It is full of common opal nodules. Some of the opal is transparent to translucent with a slight blue color. Other opal is opaque and colorful.
The sphere has a great polish. There is one small section with a slight uneven feel.
The sphere has a 3.89″ diameter (98.8 mm) and it weighs about 2 lb 10 oz.
Origin: Nevada, USA
Price: $250.00. Shipping is free for the USA. For other countries please see Store Policies.