Another larger piece was this impressive chalcoalumite from bisbee-the light blue coating on azurite.
另一较大的标本是这个给人深刻印象的铜明矾--蓝铜矿上边覆盖一层浅蓝色。
Life in Color: Blue Some of nature's intricate patterns are on display in this magnified view of the mineral azurite.
生活的色彩：蓝色。一些天然的复杂的图案模型是在显示经过放大的景观的矿物蓝铜矿。
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