See Also: tigereye(encyclopedia)

millivolt (iou) and tigereye (sh)


millivolt (iou)



millivolt noun. M19.
[from MILLI- + VOLT noun1.]
Electricity. One-thousandth of a volt.
milli'voltmeter noun an instrument for measuring voltages of the order of millivolts E20.

tigereye (sh)




or tiger's-eye

Semiprecious quartz gem displaying chatoyancy, a vertical luminescent band like that of a cat's eye.

Bands of parallel, blue asbestos (crocidolite) fibres are first altered to iron oxides and then replaced by silica. The gem has a rich yellow to yellow-brown or brown colour and a fine golden lustre when it is polished. The best stones come from South Africa. See also cat's-eye.