红宝石和硬玉那时还没有被开采。
二是硬玉，俗称翡翠，其比重达到3.33，硬度高于软玉。
Jadeite, is also called jade, the proportion reached 3.33, harder than nephrite.
软玉和硬玉从史前开始就被人们用于一个同样的目的。
Nephrite and jadeite were used by people from the prehistoric for similar purposes.
两种不同的矿物称为玉，硬玉和软玉。
Two different minerals are known as jade, jadeite and nephrite.
主要组成矿物为硬玉、霓辉石、镁纳闪石、蓝透闪石、镁角闪石、阳起石、石英、钠长石、金红石和榍石。
Mineral constituents consist mainly of jadeite, aegirine - augite, magnesio - riebeckite, winchite, magnesio - hornblende, actinolite, quartz, albite, rutile and sphene.
主要组成矿物为硬玉、霓辉石、 镁纳闪石、蓝透闪石、镁角闪石、阳起石、石英、钠长石、金红石和榍石。
Mineral constituents consist mainly of jadeite, aegirine - augite, magnesio - riebeckite, winchite , magnesio - hornblende , actinolite , quartz, albite, rutile and sphene.
翡翠是一种硬玉，主要产于缅甸。
The jadeite is a kind of jadeite , mainly producing in burma.
红翡的颜色是硬玉晶体生成后才形成的，系赤铁矿浸染所致。
Red kingfisher color is generated after the formation of jadeite crystals, due to the Department of hematite impregnation.
绿辉石岩是缅甸硬玉岩区一种新的岩石类型，普遍遭受多期次硬玉化。
Omphacitite, a new type of rock found in Myanmar jadeitite area, had experienced multi-stage jadeitizations.
长石矿物特别是钠长石作为翡翠的常见次要矿物，与硬玉矿物之间存在着密切的关系。
As a common secondary mineral, feldspar minerals, especially albite, have Shared a close relationship with jadeite minerals.
合成硬玉玉石的结构比天然翡翠的要简单得多。
The textures of the synthetic jadeite jade stone are more simple than that of the natural jadeite jade.
在有些结晶颗粒较粗的翡翠饰品表面，硬玉晶体上可见沿解理形成的微细裂纹。
On the surface of some jade ornament or crystal with coarse grain structure, the microscopic fissure can be formed along the cleavage.
本文着重讨论硬玉钙霞正长岩的岩石学、矿物学、岩石化学、REE地球化学、时代及岩石成因。
This paper stresses the study on the petrology, mineralogy, petrochemistry, REE geochemistry, age and petrogenesis of the jadeite-cancrinite syenite.
形成翡翠的岩浆为含水的、可能来源于地幔的硬玉质硅酸盐熔融体。
The magma from which jadeite jade crystallized is hydrous jadeitic silica melt which may come from mantle.
硬玉岩是一种稀少的岩类，常以构造岩包体和脉体的型式产出在蛇纹岩中。
Jadeitite is a well known but rare rock type that is found only in a few places in the world.
石英硬玉岩原岩包括正变质的花岗岩和奥长花岗岩、副变质的酸性火山碎屑岩和长石石英砂岩。
The protoliths of quartz jadeitite include metamorphosed granite, trondhjemite, acidic volcanic rocks and feldspar-quartz sandstone.
表缅甸硬玉岩区的变质岩类型、矿物共生组合及变质相的划分。
Table The types metamorphic faces and mineral assemblages of metamorphic rocks from...
表缅甸硬玉岩区的变质岩类型、矿物共生组合及变质相的划分。
Table The types metamorphic faces and mineral assemblages of metamorphic rocks from...
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