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词汇 sphene
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Examples of sphene


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The heavymineral assemblage consists of mainly zircon, apatite and monazite plus minor amounts of sphene and hornblende.
The amphibolites are composed of hornblende, plagioclase, quartz, and minor components such as sphene, apatite, epidote and biotite.
Common accessory minerals are sphene, ilmenite, hematite, rutile, tourmaline, apatite and zircon.
Amphibole and sphene associated with albite and epidote-zoisite support this idea.
Sphene is commonly observed along the foliation planes and as inclusions in amphibole crystalloblasts.
Biotite and hornblende frequently enclose feldspar ophitically; less commonly iron oxides and sphene do so.
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Other minor inclusions are sphene, apatite, rutile, zircon, and sphalerite.
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These include peridot, aquamarine, topaz, ruby, emerald, rare-earth minerals bastnaesite and xenotime, sphene, tourmaline, and many varieties and types of quartz.
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The minerals found are quartz, mica, chlorite, albite, sphene, and graphite.
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Owing to the quenching effect of iron, sphene exhibits no fluorescence under ultraviolet light.
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One series is essentially igneous (orthogneisses); usually they contain pale green pyroxene, a variable amount of feldspar, sphene, and iron oxides.
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The white and the pink facies are a more fine-grained variation of the melanocratic facies, they also lack hornblende and sphene.
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