Forsterite

福斯特石

Forsterite is a silicate of magnesium with the composition Mg₂SiO₄. These samples are described as being the variety peridot. The sample above left is about 1.5x2 cm and the sample at right is about 6x5 cm. They are from Shush-Bemah mine, San Carlos, Arizona. All these samples are on display at the Smithsonian Museum of Natural History.

Forsterite是一种镁的硅酸盐，化学式为Mg₂SiO₄。这些样品被描述为橄榄石的一种变种。左上样品尺寸约为1.5x2厘米，右下样品尺寸约为6x5厘米。它们来自亚利桑那州桑卡罗斯的Shush-Bemah矿。所有这些样品均陈列在史密森尼自然历史博物馆中。

Forsterite is valued as a green gemstone. The mineral sample at left is about 2x2.5 cm and the accompanying gem is 286.6 carats. It is from Burma. The mineral samples on the right are on the order of 1x1 cm and the gem is 311.8 carats. They are from Zabargad Island, Egypt.

对于斯托尔特石来说，它作为一种绿色宝石具有价值。左边的矿物样本大约是2x2.5厘米， accompanying 的宝石重286.6克拉，来自缅甸。右边的矿物样本大约是1x1厘米， accompanying 的宝石重311.8克拉，来自埃及的扎巴加德岛。

The gem at left above is 3.1 carats and is from Trachtyte Hill, Ross Island, McMurdo Sound, Antarctica. Next is an 8.9 carat gem of variety peridot from San Carlos, Arizona. The two gems at right are 122.7 and 103.2 carats and are of unknown origin.

左上方的宝石重3.1克拉，产自南极洲麦克默多海峡的罗斯岛特拉赫蒂特山。接下来是来自亚利桑那州桑科斯的8.9克拉变种橄榄石宝石。右方的两颗宝石分别为122.7克拉和103.2克拉，产地未知。

The forsterite (peridot) sample is about 4x5 cm and the gem is 18.1 carats.They are from Northern Areas, Pakistan. The necklace contains a 34.7 carat forsterite gem of variety peridot. It is from San Carlos, Arizona.

橄榄石（绿辉石）样品尺寸约为4x5厘米，宝石重18.1克拉。它们来自巴基斯坦北部地区。项链中包含一颗重34.7克拉的绿辉石宝石，属于绿辉石品种。该宝石来自亚利桑那州桑卡里斯。

The sample at left is forsterite with apatite. It is about 4x7 cm and is from Kovdor, Kola Peninsula, Russia. The gem above is of variety peridot and is 4.1 carats. It is from Norway.

左边的样本是含apatite的forsterite，尺寸约为4x7厘米，来自俄罗斯科拉半岛的Kovdor。上方的宝石是peridot品种，重4.1克拉，来自挪威。

Mindat: forsterite

Mindat: forsterite（专名或术语）

Minerals

矿物

Index

索引

HyperPhysics*****Geophysics

HyperPhysics ***** 地球物理学

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