baddeleyite造句
例句与造句
- It has been observed that baddeleyite without twinning is extremely rare.
- Baddeleyite was first found in Sri Lanka in 1892.
- It has been observed in thin section that baddeleyite forms within plagioclase grains.
- Because of this, the coordination of baddeleyite was determined to be sevenfold.
- This explains baddeleyite's tendency to twin along the ( 100 ) planes.
- It's difficult to find baddeleyite in a sentence. 用baddeleyite造句挺难的
- Its most naturally occurring form, with a monoclinic crystalline structure, is the mineral baddeleyite.
- Zircon and baddeleyite incorporate uranium atoms into their crystalline structure as substitutes for zirconium, but strongly reject lead.
- Baddeleyite forms in igneous rocks low in silica, it can be found in rocks containing potassium feldspar and plagioclase.
- It occurs as interstitial grains with zirconolite, baddeleyite, and apatite associated with late stage intergrowths of quartz and feldspar.
- Baddeleyite's structure is a combination of tetrahedrally coordinated oxide ions parallel to ( 100 ) with triangular coordinated oxide ions.
- This is because baddeleyite tends to become zircon where there is higher silica content, hence why both minerals can be found together.
- Baddeleyite is commonly found with zircon ( ZrSiO 4 ), yet it forms in places with lower silica content, such as mafic rocks.
- Secondary ( metamorphic ) minerals include chlorite, amphibole, sodic plagioclase, quartz, iron oxides and rarely phlogopite, baddeleyite, and pyrope or hydrogrossular garnet.
- They have a chunky, blocky appearance, exhibit a layered structure with abundant vesicles, and contain mineral inclusions, such as zircon, baddeleyite, chromite, rutile, corundum, cristobalite and coesite.
- Baddeleyite is a refractory mineral, with a melting point of 2700 癈 . Hafnium is a substituting " impurity " and may be present in quantities ranging from 0.1 to several percent.
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