Moss opal
Revision as of 07:09, 24 July 2013 by (username removed)
Description
A moss agate that is intergrown with opal (Brady 1971). Opal is a mineral gel that can deposit in fissures of almost any type of rock.
Additional Information
G.S.Brady, Materials Handbook, 10th edition, McGraw-Hill, New York, 1971.
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.21