Difference between revisions of "Copalite"
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 128 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 128 | ||
Revision as of 14:19, 29 April 2016
Description
A fossil resin similar to Copal but obtained from temperate regions. Copalite was obtained from the blue clay of Highland Hill near London, England and has also been found in the low-grade coals of Utah. It occurs as pale yellow, irregular fragments.
Synonyms and Related Terms
copaline; Highgate resin; Highland Hill copal
Other Properties
Burns with a very smoky yellow flame.
| Mohs Hardness | 1.5 |
|---|---|
| Melting Point | 165 |
| Density | 1.046 |
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 128
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Website address 1 Comment: "Copal of Zanzibar" at www.carriagemuseumlibrary.org/copal_zanzibar.htm
- Website address 2 Comment: "Types of Amber, Copal & Resin" at www.gplatt.demon.co.uk/typesof.htm