Diopside is a monoclinic pyroxene mineral with composition MgCaSi 2O 6. It forms complete solid solution series with hedenbergite (FeCaSi 2O 6) and augite...

melt at the eutectic temperature, along with part of the diopside, and the remaining diopside will then gradually melt as the temperature continues to...

compositions. There is an arbitrary separation between augite and the diopside-hedenbergite (CaMgSi2O6 − CaFeSi2O6) solid solution. The divide is taken...

Ferrosilite – FeSiO3 Pigeonite – Ca0.25(Mg,Fe)1.75Si2O6 Diopside – hedenbergite series Diopside – CaMgSi2O6 Hedenbergite – CaFeSi2O6 Augite – (Ca,Na)(Mg...

aluminium-poor phlogopite; potassium- and titanium-rich richterite; low aluminium diopside; and iron-rich sanidine. A variety of rare trace minerals occur. The rocks...

assemblage of magnesian ilmenite, chromium pyrope, almandine-pyrope, chromium diopside (in some cases subcalcic), phlogopite, enstatite and of Ti-poor chromite...

metamorphic rock of basalt. Omphacite is the solid solution of Fe-bearing diopside and jadeite. It crystallizes in the monoclinic system with prismatic, typically...

Danburite Datolite Descloizite Diamond Bort Ballas Diaspore Dickinsonite Diopside Dioptase Dolomite Dumortierite Ekanite Elbaite Emerald Trapiche emerald...

where intruded by granite. Minerals occurring with serendibite include diopside, spinel, phlogopite, scapolite, calcite, tremolite, apatite, grandidierite...

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...

metabasites: hornblende + plagioclase ± epidote, garnet, cummingtonite, diopside, biotite In metapelites: muscovite + biotite + quartz + plagioclase ± garnet...

Earth's surface. Ultramafic rocks often contain calcium-rich pyroxene (diopside), which breaks down according to the reaction: This raises both the pH...

indicator of metamorphic grade since at high temperatures it converts to diopside. Tremolite occurs as a result of contact metamorphism of calcium and magnesium...

Topazios. Layers of spinel-lherzolites with anhydrous Al-diopside pyroxenites and hydrous Cr-diopside pyroxenites can be found too on the island.[citation...

Devilline Diaboleite Diadochite Diamond Diaspore Dickite Digenite Dimorphite Diopside Dioptase Djerfisherite Djurleite Dmitryivanovite Dollaseite-(Ce) Dolomite...

Pyroxene (diopside) is a mineral classified as a metasilicate....

Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...

Minerals formed at this stage were a variety of calc-silicates, including diopside, forsterite, tremolite, together with talc and chlorite. Subsequent metasomatism...

consisting essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite. Pyroxenites are classified into clinopyroxenites...

alteration of existing rocks in which calcium silicate minerals such as diopside and wollastonite are produced. Calc–silicate skarn or hornfels occur within...

200 ft). The Yellow Band consists of intercalated beds of Middle Cambrian diopside-epidote-bearing marble, which weathers a distinctive yellowish brown, and...

Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...

Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...

the yellowish to greenish-yellow hiddenites were thought to be gemmy diopside. Stephenson brought the discovery to the attention of exploration geologist...

pyrite (metallic yellow). Some samples of lapis lazuli contain augite, diopside, enstatite, mica, hauynite, hornblende, nosean, and sulfur-rich löllingite...

an admixture of sand or clay lime-bearing silicates are formed, such as diopside, epidote, garnet, sphene, vesuvianite and scapolite; with these phlogopite...

40% 0 127 185 H260L50C40 Seal Grey 260° 60% 5% 138 144 152 H260L60C05 Diopside Blue 260° 60% 10% 131 145 160 H260L60C10 Nordland Blue 260° 60% 15% 126...

where it is caused by impurities of rutile. It can also occur in garnet, diopside and spinel. Aventurescence (or aventurization) is a reflectance effect...

angles near 90 degrees. Augite is a solid solution in the pyroxene group. Diopside and hedenbergite are important endmembers in augite, but augite can also...

with metamorphic rocks. Associated minerals include garnets, vesuvianite, diopside, tremolite, epidote, plagioclase feldspar, pyroxene and calcite. It is...