Rhodochrosite

罗多奇岩

Rhodochrosite is MnCO₃, a carbonate mineral of manganese. This sample is about 7x7 cm and is from Sweet Home mine, Alma, Colorado. All these specimens are displayed in the Smithsonian Museum of Natural History.

Rhodochrosite是锰的碳酸盐矿物，化学式为MnCO₃。这块样品大小约为7×7厘米，采自科罗拉多州阿灵顿的Sweet Home矿。所有这些标本均陈列于史密森尼自然历史博物馆。

Rhodochrosite is a member of the calcite group of carbonates along with Smithsonite and siderite.

rhodochrosite 是与 smithsonite 和 siderite 同属碳酸盐类的 calcite 类成员。

The left gem above is 11.2 carats and is from Catamara, Argentina. The gem at right above is 27.8 carats and is from Sweet Home mine, Alma, Colorado.

This large rhodochrosite formation is from Catamarca, Argentina. It measures about 25x60 cm!

这块较大的玫瑰石英矿床来自阿根廷的卡马雷卡。其尺寸约为25厘米乘60厘米！

上方左侧的宝石重11.2克拉，产自阿根廷的Catamara。上方右侧的宝石重27.8克拉，产自科罗拉多州Alma的Sweet Home矿。

Rhodochrosite crystals can have great beauty, but they are relatively soft and brittle and don't serve well in everyday use as gems.The gem at right is 15.2 carats and is from N'Chwaning mine, Hotazel, Cape Province, South Africa.

罗多奇罗斯石晶体可以具有极高的美观性，但它们相对柔软且易碎，不适合作为日常使用的宝石。右侧的宝石重15.2克拉，来自南非开普省霍塔泽尔的恩奇万廷矿。

The gems at left are 20.8 and 13.3 carats. Those at right are 27.8 and 21.3 carats and all are from Hotazel, Cape Province, South Africa.

左边的宝石重20.8和13.3克拉，右边的宝石重27.8和21.3克拉，所有宝石均来自南非卡普省霍塔泽尔。

The sample at left is about 8x8 cm and is from Silverton, Colorado.

左边的样品大约是8x8厘米，来自科罗拉多州的Silverton。

The sample above is about 5x5 cm and is from Hotazel, Cape Province, South Africa.

上面的样本大约是5x5厘米，来自南非开普省霍塔泽尔。

This sample is about 7x6 cm in size and is from N'Chwaning mine, Hotazel, Cape Province, South Africa.

这个样本尺寸约为7厘米乘6厘米，来自南非开普省霍塔泽尔的N'Chwaning矿。