
adj.
Having a microscopic crystalline structure.
| Dictionary: cryp·to·crys·tal·line |

| 5min Related Video: cryptocrystalline |
| Architecture: cryptocrystalline |
A rock texture that is too fine to be discernible with an optical microscope.
| radiolarian chert (geology) | |
| phanerocrystalline | |
| prase |
| What is a green variety of cryptocrystalline quartz? Read answer... |
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![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more | |
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