Oct 28 2017 Journal of Petrology Volume 58 Issue 9 1 September 2017 Pages 1671–1700 39 Platy olivine spinifex 39 is an igneous texture that characterizes A subsample of 200–1000 g was crushed in a jaw crusher to gt 70 passing 6 Norie Group have been interpreted as komatiite e g Barley et al 2000

In petrology the mineral clinopyroxene is used for temperature and pressure calculations of the magma that produced igneous rock containing this mineral

Pyroxene Pyroxene any of a group of important rock forming silicate minerals of Pyroxene Quick Facts Moon rock crystals View Media Page related topics

Clinopyroxene pyroxenes Single chain Silicates monoclinic Relief moderate Colour colourless RI 1 674 1 764 Birefringence 0 002 0 022

The pyroxenes commonly abbreviated to Px are a group of important rock forming inosilicate minerals found in many igneous and metamorphic rocks

Sep 13 2005 Pyroxenes are classified based on the occupancy of the M1 and M2 site In clinopyroxenes larger cations such as Li and Na are in eightfold