feldspar
英 ['feldspɑː]
美 ['fɛldspɑr]
- feldspar (n.)
- type of mineral common in crystalline rocks, 1785, earlier feldspath (1757), from older German Feldspath (Modern German Feldspat), from Feld "field" (see field (n.)) + spath "spar, non-metallic mineral, gypsum" (see spar (n.2)); spelling influenced by English spar "mineral." Related: Feldspathic.
- 1. Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.
- 翡翠由辉石族 、 角闪石族、长石族矿物组成.
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- 2. Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uranium, gold.
- 工业: 原油, 钻石, 铁矿, 磷酸盐, 长石矿, 铝氧石, 铀, 黄金.
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- 3. Feldspar commonly used are: granite a long stone set fire to rocks.
- 常用的长石主要有: 花岗岩、霞硌、正长石等火烧岩.
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- 4. This sandstone consists of quartz primarily and feldspar secondly.
- 这种砂岩的成份以石英为主,长石次之.
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- 5. The ore - hunting indicator is of calcite - potassium feldspar veins containing pyritohedron pyrite.
- 直接找矿标志为含五角十二面体黄铁矿铁方解石钾长石脉.
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