There are gold, silver, iron, manganese, molybdenum, uranium, mica, vermiculite, quartz rock, feldspar, granite, marble, barite and mineral water, and so on.

主要有金、银、铁、锰、钼、铀、云母、蛭石、石英石、钾长石、花岗岩、大理石、重晶石和矿泉水等。

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European monks would take a piece of clear rock, often quartz, and place it on top of the reading material.

欧洲的僧侣们会拿一块透明的石头，通常是石英，放在阅读材料的上面。

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The intense heat of the impact would produce heat-shocked quartz in many types of rock.

撞击所释放的强烈高温会在许多类型的岩石中形成一种热冲击石英。

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Butz said the six "ovens" formed naturally as a result of spherical deposits of quartz eroding out of the phyllite rock face.

WSJ: NY teacher delves into mystery of 'Indian Ovens'

Dr Hazen and his team speculate from meteorite and early rock studies that several hundred mineral species, including zircon, quartz, clay and halite salt crystals, formed during this early period of mineral evolution.

ECONOMIST: Minerals

The smaller eggs offer a choice of materials, techniques and styles such as carved stones and minerals, as varied as rock crystal, chrysoprase, snowflake obsidian, lavender jade, jadeite, pink opal, rutilated quartz, jasper and turquoise.

FORBES: The Miniature Faberg�� Eggs