Moss opal

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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.

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.21

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