01 n. A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referabl…
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1.
A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc.(Min.)