Definitions

from The Century Dictionary.

  • noun A silicate of aluminium and calcium occurring in grayish-blue orthorhombic crystals in crystalline schists in California and elsewhere.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A metamorphic silicate mineral related to the epidotes; it is a sorosilicate, based on the dimeric anion Si2O76-

Etymologies

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Examples

  • Mulcahy et al. present a new method of lawsonite geochronology using the Lu-Hf isotope system and multi collector inductively coupled plasma-mass spectrometry.

    EurekAlert! - Breaking News 2009

  • As a demonstration of the method, they have determined a lawsonite Lu-Hf age of

    EurekAlert! - Breaking News 2009

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