Pitchstone
Pitchstone is a volcanic (extrusive) igneous rock formed by the rapid cooling of rhyolitic lavas, and has a resinous or pitchy appearance. It has a glassy, aphanitic texture
Picture No
13625751
Media ID
43070648
Size
4256px x 2848px
(2.6MB)
Credit
Mark A. Schneider /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13625751
Contributor Ref
SCS-90074985
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Restrictions Only for United Kingdom
Aphanite Aphanitic Extrusive Glassy Hand Igneous Mineralogy Sample Silhouettable Specimen Volcanic
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