Difference between revisions of "Moss opal"
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G.S.Brady, ''Materials Handbook'', 10th edition, McGraw-Hill, New York, 1971. | G.S.Brady, ''Materials Handbook'', 10th edition, McGraw-Hill, New York, 1971. | ||
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p.21 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p.21 | ||
Revision as of 14:03, 1 May 2016
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