. Bulletin - United States National Museum. Science. THE MINERALS OF IDAHO 449 of Col. W. A. Roebling. In commenting upon the latter specimen. Colonel Roebling writes as follows: "Although I have at least 30 anglesites, the crystal you sent is the best of its class * * *. The Broken Hill specimens are different in habit and more orange in color * * *. Yours is like those from Monte Poni, Sardinia, embedded in galena, frequently with a black heart of unchanged galena. Occasionally there has been too much sulphur for the lead to absorb, leaving a cavity with a perfect little crystal of sulp
. Bulletin - United States National Museum. Science. THE MINERALS OF IDAHO 449 of Col. W. A. Roebling. In commenting upon the latter specimen. Colonel Roebling writes as follows: "Although I have at least 30 anglesites, the crystal you sent is the best of its class * * *. The Broken Hill specimens are different in habit and more orange in color * * *. Yours is like those from Monte Poni, Sardinia, embedded in galena, frequently with a black heart of unchanged galena. Occasionally there has been too much sulphur for the lead to absorb, leaving a cavity with a perfect little crystal of sulphur in ;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
