Example Sentences

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One part copper, two parts vanadium and four parts sulfur, the alloy features a 3D pyrochlore lattice consisting of corner-sharing tetrahedra.

From Science Daily • Jan. 29, 2024

The SiO4 tetrahedra in glassy silica have a random arrangement characteristic of supercooled liquids, and the glass has some very useful properties.

From Textbooks • Feb. 14, 2019

There is a variation in the silicon- to-oxygen ratio that occurs because silicon-oxygen tetrahedra may exist as discrete, independent units or may share oxygen atoms at corners in a variety of ways.

From Textbooks • Feb. 14, 2019

In amphibole structures, the silica tetrahedra are linked in a double chain that has an oxygen-to- silicon ratio lower than that of pyroxene, and hence still fewer cations are necessary to balance the charge.

From Textbooks • Jan. 1, 2015

The atoms are arranged in two tetrahedra with a common apex, and the relationship is maintained in the meta-body, a septet.

From Occult Chemistry Clairvoyant Observations on the Chemical Elements by Sinnett, A. P.