Proper noun
Dyar (plural Dyars)
A surname.
Dyar and Gunter, p. 104 The two main constituents of silicates are silicon and oxygen, which are the two most abundant elements in the Earth's crust. Source: Internet
Dyar and Gunter, p. 105 Orthosilicates (or nesosilicates) have no linking of polyhedra, thus tetrahedra share no corners. Source: Internet
Dyar and Gunter, p. 110 The kaolinite-serpentine group consists of T-O stacks (the 1:1 clay minerals); their hardness ranges from 2 to 4, as the sheets are held by hydrogen bonds. Source: Internet
Dyar and Gunter, p. 14 The significance of this structural property will be explained further by coordination polyhedra. Source: Internet
Dyar and Gunter, p. 15 Overall, around 150 minerals are considered particularly important, whether in terms of their abundance or aesthetic value in terms of collecting. Source: Internet
Dyar and Gunter, p. 22–23 Crystal structure and habit main seeAlso Topaz has a characteristic orthorhombic elongated crystal shape. Source: Internet