Min. Also tesselite. [f. TESSELLA + -ITE1.] A variety of Apophyllite, exhibiting in polarized light a tessellated structure.
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.
1868. Dana, Min. (ed. 5), 416. Tesselite, from Faröe, is a cubical variety, exhibiting a tesselated structure in polarized light.