自然鋅銅合金 Copper Zinc Crystals /Brass－桃園親子教育博物館二

Rare Copper Zinc Crystals Espanola New Mexico

You are bidding on a beautiful thumbnail specimen of a rare Copper/Zinc Crystals from Espanola, New Mexico.

X-ray fluorescence (XRF) from the Colorado School of Mines shows it contains 54% copper, 45% zinc with traces of iron and lead.

It measures 1/8 x 1/8 x 1/2 inches. This will make a great addition to your collection.

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收集自然元素，其中某些項目雖然並不是那樣罕見，不過就是要多準備一些錢罷了，例如產地在日本的黃銅Brass (鋅 40.69%，銅59.31%)，結標價有時候跟自然鉑差不多。這件新標本，出現的太偶然，與一堆自然銅標本一起拍賣，所以沒引起眾人注意，如果礦物名稱改成自然黃銅 Brass，最後的結標價一定不同。