Difference between revisions of "Pitchstone"
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== Description == | == Description == | ||
| − | A naturally form volcanic glass that has a dull resin-like appearance. Pitchstone, like obsidian, is formed when volcanic lava cools quickly. However, unlike obsidian, pitchstone is a mixture of amorphous glass with small crystals of feldspar and quartz. It is opaque and may be brown, black or gray in color. | + | A naturally form volcanic glass that has a dull resin-like appearance. Pitchstone, like [[obsidian]], is formed when volcanic lava cools quickly. However, unlike obsidian, pitchstone is a mixture of amorphous glass with small crystals of [[feldspar]] and [[quartz]]. It is opaque and may be brown, black or gray in color. |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 17:39, 10 August 2022
Description
A naturally form volcanic glass that has a dull resin-like appearance. Pitchstone, like Obsidian, is formed when volcanic lava cools quickly. However, unlike obsidian, pitchstone is a mixture of amorphous glass with small crystals of Feldspar and Quartz. It is opaque and may be brown, black or gray in color.