Min. Also tesselite. [f. TESSELLA + -ITE1.] A variety of Apophyllite, exhibiting in polarized light a tessellated structure.

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1819.  Brewster, in Edin. Phil. Jrnl., June, 5. The tessellated structure … is a property so singular and so distinctive, that I would propose to mark it by the name of Tesselite.

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1868.  Dana, Min. (ed. 5), 416. Tesselite, from Faröe, is a cubical variety, exhibiting a tesselated structure in polarized light.

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