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The Mineralogy and Origin of Josephinite *
Author(s) -
Morley Russell A.
Publication year - 1949
Publication title -
contributions of the meteoritical society
Language(s) - English
Resource type - Journals
eISSN - 1945-5100
pISSN - 0096-2805
DOI - 10.1111/j.1945-5100.1949.tb00076.x
Subject(s) - mineralogy , streak , sulfur , geology , alloy , group (periodic table) , metallurgy , flake , crystallography , materials science , geochemistry , chemistry , composite material , organic chemistry
Josephinite is a naturally‐occurring, terrestrial nickel‐iron alloy, found along Josephine Creek, Josephine County, Oregon, and associated with stream gravels as water‐worn pebbles, sometimes ellipsoidal in shape. A group of more than 75 specimens examined gave the following physical and chemical data: average sp. gr., 5.66; hardness, 4.5 to 5.0; streak, lead‐gray; luster, metallic; fracture, hackly; malleable, sectile; strongly magnetic; opaque. The group of specimens examined ran as follows: largest dimension, 3.2 mm. to 31.4 mm. The chemical formula for josephinite is written usually as Fe 2 Ni 5 , altho josephinite contains also a little cobalt, phosphorus, and sulfur.