feldspar

• n. [矿物] 长石

feld, 同field, 场地，野外。spar,晶石。

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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