मॅग्नेशियम आणि लोह आणि अॅल्युमिनियम आणि सिलिकॉन आणि ऑक्सिजन हे निळे खनिज आहेत, अनेकदा रत्न म्हणून वापरले जाते,

cordierite's Usage Examples:

[citation needed] These minerals include cordierite, muscovite, garnet, and sillimanite.

in association with garnet, cordierite, anthophyllite, cummingtonite, sapphirine, sillimanite, kyanite, quartz, staurolite and biotite.

the unaided eye, there are often larger crystals (porphyroblasts) of cordierite, garnet or andalusite scattered through the fine matrix, and these may.

Of the silicate minerals, the typical ones are especially cordierite, indialite, fayalite, mullite, tridymite and cristobalite (both tridymite.

Examples of peraluminous minerals include biotite, muscovite, cordierite, andalusite and garnet.

many colored gemstones, including sapphires, rubies, multi-coloured tourmalines, emeralds, amethysts, cordierites, aquamarines and garnets.

At these temperatures cordierite grows to the size of grains of corn, which is where its name comes from;.

It also forms as a retrograde product rimming relict orthopyroxenes and olivine, and as an accessory mineral in cordierite-bearing.

rubies, multi-coloured tourmalines, emeralds, amethysts, cordierites, aquamarines and garnets.

features quartz, plagioclase, sillimanite, cordierite, orthopyroxene, sapphirine, and aluminum spinel.

plagioclase + garnet ± orthopyroxene (higher pressure) In metapelites: garnet + cordierite + sillimanite + K-feldspar + quartz ± biotite sapphirine + orthopyroxene.

Gedrite occurs in contact and medium to high grade metamorphic rocks in association with garnet, cordierite, anthophyllite, cummingtonite.

of central and northern Europe: he wrote on gypsum, pyrites, felspar, tachylite, cordierite and on some eruptive rocks, and devoted much attention to.

Synonyms:

water sapphire, mineral,

Antonyms:

organic,