Science Fair Project Encyclopedia
Cinder
Cinders are fragments of cooled pyroclastic material lava, typically red or black in color.
The following geologic characteristics define a cinder:
- Uncemented.
- Vitric .
- Bubble-like cavities, called vesicles.
- Fragments are more than 2.0 mm in at least one dimension.
- Apparent specific gravity between 1.0 and 2.0 mm.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


