Gold mainly exists as gold minerals, including electrum, silver-bearing native gold.

金以矿物态为主，金矿物主要为银金矿、含银自然金。

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Pyrite, galena, sphalerite, native gold, electrum and joseite are the main ore minerals.

主要金属矿物是，黄铁矿、方铅矿、闪锌矿、自然金、银金矿、硫蹄铋矿。

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The native gold is main gangue minerals and it is fine particle and micro-fine particle.

金矿物以自然金为主，可回收元素金为细粒金和微细粒金。

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His native Iceland presented a genetic gold mine.

FORBES: The E-Gang: Medical Marvels

This book fascinatingly weaves in the history of dogsledding (dogs were to this region what camels are to the desert), the native populations and the impact of the 1890s Gold Rush on them.

FORBES: Going To The Dogs

The New Zealand native shimmered into the spotlight, decked out in a dress festooned in something that looked like gold leaf.

FORBES: How Gotye Found Kimbra For 'Somebody That I Used To Know'