Triclinic

These aren't major names of crystals so 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 ...

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... Algal cellulose from different origins has been analysed with special reference to the crystalline features, such as allomorphism (Iagr/Ibeta or triclinic/monoclinic two- phase model), dimension and uniplanar orientation behaviour of the specific crystallographic plane to the cell wall surface. ...

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