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
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
where intruded by granite. Minerals occurring with serendibite include diopside, spinel, phlogopite, scapolite, calcite, tremolite, apatite, grandidierite...
3 KB (124 words) - 08:34, 10 October 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
metabasites: hornblende + plagioclase ± epidote, garnet, cummingtonite, diopside, biotite In metapelites: muscovite + biotite + quartz + plagioclase ± garnet...
13 KB (1,402 words) - 19:59, 8 February 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
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
indicator of metamorphic grade since at high temperatures it converts to diopside. Tremolite occurs as a result of contact metamorphism of calcium and magnesium...
6 KB (382 words) - 17:32, 24 June 2024
Topazios. Layers of spinel-lherzolites with anhydrous Al-diopside pyroxenites and hydrous Cr-diopside pyroxenites can be found too on the island.[citation...
5 KB (623 words) - 19:00, 12 October 2024
Devilline Diaboleite Diadochite Diamond Diaspore Dickite Digenite Dimorphite Diopside Dioptase Djerfisherite Djurleite Dmitryivanovite Dollaseite-(Ce) Dolomite...
42 KB (2,782 words) - 18:28, 20 October 2024
Pyroxene (diopside) is a mineral classified as a metasilicate....
840 bytes (69 words) - 08:47, 16 February 2024
Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...
35 KB (3,697 words) - 12:13, 2 November 2024
Minerals formed at this stage were a variety of calc-silicates, including diopside, forsterite, tremolite, together with talc and chlorite. Subsequent metasomatism...
6 KB (606 words) - 06:36, 6 October 2024
consisting essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite. Pyroxenites are classified into clinopyroxenites...
6 KB (749 words) - 18:27, 1 November 2024
alteration of existing rocks in which calcium silicate minerals such as diopside and wollastonite are produced. Calc–silicate skarn or hornfels occur within...
1 KB (100 words) - 18:10, 8 November 2023
200 ft). The Yellow Band consists of intercalated beds of Middle Cambrian diopside-epidote-bearing marble, which weathers a distinctive yellowish brown, and...
270 KB (26,351 words) - 04:18, 1 November 2024
Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...
100 KB (12,232 words) - 14:07, 1 November 2024
Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper Kyanite Labradorite Lapis lazuli...
62 KB (6,890 words) - 22:56, 1 November 2024
the yellowish to greenish-yellow hiddenites were thought to be gemmy diopside. Stephenson brought the discovery to the attention of exploration geologist...
5 KB (669 words) - 09:54, 21 March 2024
pyrite (metallic yellow). Some samples of lapis lazuli contain augite, diopside, enstatite, mica, hauynite, hornblende, nosean, and sulfur-rich löllingite...
28 KB (2,951 words) - 21:00, 1 November 2024
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...
316 KB (419 words) - 19:31, 23 October 2024
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...
5 KB (367 words) - 21:28, 11 January 2024
where it is caused by impurities of rutile. It can also occur in garnet, diopside and spinel. Aventurescence (or aventurization) is a reflectance effect...
12 KB (1,158 words) - 10:42, 16 October 2024
with metamorphic rocks. Associated minerals include garnets, vesuvianite, diopside, tremolite, epidote, plagioclase feldspar, pyroxene and calcite. It is...
17 KB (1,686 words) - 14:18, 18 July 2024
an admixture of sand or clay lime-bearing silicates are formed, such as diopside, epidote, garnet, sphene, vesuvianite and scapolite; with these phlogopite...
17 KB (2,160 words) - 14:08, 17 August 2024