Diopside is a monoclinic pyroxene mineral with composition MgCaSi 2O 6. It forms complete solid solution series with hedenbergite (FeCaSi 2O 6) and augite...
10 KB (1,043 words) - 00:44, 20 April 2024
melt at the eutectic temperature, along with part of the diopside, and the remaining diopside will then gradually melt as the temperature continues to...
63 KB (7,679 words) - 19:47, 31 October 2024
compositions. There is an arbitrary separation between augite and the diopside-hedenbergite (CaMgSi2O6 − CaFeSi2O6) solid solution. The divide is taken...
13 KB (1,476 words) - 22:03, 13 August 2024
Ferrosilite – FeSiO3 Pigeonite – Ca0.25(Mg,Fe)1.75Si2O6 Diopside – hedenbergite series Diopside – CaMgSi2O6 Hedenbergite – CaFeSi2O6 Augite – (Ca,Na)(Mg...
20 KB (1,897 words) - 18:21, 16 July 2024
aluminium-poor phlogopite; potassium- and titanium-rich richterite; low aluminium diopside; and iron-rich sanidine. A variety of rare trace minerals occur. The rocks...
11 KB (1,074 words) - 02:27, 27 August 2024
assemblage of magnesian ilmenite, chromium pyrope, almandine-pyrope, chromium diopside (in some cases subcalcic), phlogopite, enstatite and of Ti-poor chromite...
31 KB (3,660 words) - 23:32, 5 September 2024
valued of "fancy stones". Other examples are star-topaz (8 rays) and star diopside (4 rays); star garnets may display four-rayed or six-rayed asterisms. Asterism...
5 KB (610 words) - 23:07, 26 October 2024
Danburite Datolite Descloizite Diamond Bort Ballas Diaspore Dickinsonite Diopside Dioptase Dolomite Dumortierite Ekanite Elbaite Emerald Trapiche emerald...
13 KB (867 words) - 01:34, 24 August 2024
metamorphic rock of basalt. Omphacite is the solid solution of Fe-bearing diopside and jadeite. It crystallizes in the monoclinic system with prismatic, typically...
13 KB (1,210 words) - 22:40, 3 January 2024
Earth's surface. Ultramafic rocks often contain calcium-rich pyroxene (diopside), which breaks down according to the reaction: This raises both the pH...
30 KB (3,139 words) - 12:57, 11 October 2024