Definition of cryptocrystalline in English:
Having a crystalline structure visible only when magnified: non-porous cryptocrystalline limestone
More example sentences
- The textures of thunder eggs can vary from distinctly radiating fibrous textures to cryptocrystalline aggregates that preserve the structure of the original rhyolite.
- Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
- In these, the spicular aspect grades abruptly inward into dense cryptocrystalline silica, which forms the bulk of the specimen.
Definition of cryptocrystalline in:
- US English dictionary
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