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Tetragonal

tetragonal

1. (Science: geometry) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.

2. (Science: botany) Having four prominent longitudinal angles.

3. (Science: chemistry) Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.


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crystals are confusing...please help.

... far as I'm concerned. To me. the "major names" would be the seven major crystal classes: triclinic, monoclinic, orthorhombic, trigonal, tetragonal, hexagonal/rhombohedral, or cubic. I gather the crystals you mention have something to do with plants. The first two at any rate are crystalline ...

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by blcr11
Sun Aug 24, 2008 6:53 pm
 
Forum: General Discussion
Topic: crystals are confusing...please help.
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The Fiber Disease

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by Nadas Moksha
Fri Dec 15, 2006 8:00 am
 
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