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Rutheniridosmine
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<p>Rutheniridosmine is a naturally occurring <a href="/facts/Native_element_minerals/kWjWAus5">mineral</a> <a href="/facts/Alloy/I7w7WQWR">alloy</a> of the elements <a href="/facts/Ruthenium/uzCm4ufn">ruthenium</a>, <a href="/facts/Iridium/TFQutoj1">iridium</a> and <a href="/facts/Osmium/1TjXD69n">osmium</a> with the formula of (Ir,Os,Ru). Rutheniridosmine occurs as <a href="/facts/Hexagonal_crystal_system/sSSok8wo">hexagonal</a>, opaque, silver-white, metallic grains with a <a href="/facts/Mohs_hardness/wXBMcVIm">Mohs hardness</a> of six. <a href="/facts/Platinum/qJC6lQf7">Platinum</a>, <a href="/facts/Palladium/AXMwDFxs">palladium</a>, <a href="/facts/Rhodium/xmBd9aFG">rhodium</a>, <a href="/facts/Iron/QK1JYy8E">iron</a>, and <a href="/facts/Nickel/KwMCHYRP">nickel</a> occur as impurities. </p><p>Rutheniridosmine occurs in association with <a href="/facts/Sperrylite/EseT8WJc">sperrylite</a>, hollingworthite, iridarsenite, ruthenarsenite, michenerite, <a href="/facts/Laurite/b7vljzAt">laurite</a>, geversite, moncheite, and <a href="/facts/Chromite/DAWzm44Y">chromite</a>. </p><p><a href="/facts/Type_locality_(geology)/ky6QjASt">Type localities</a> include: the Ruby Creek, Spruce Creek, and Bullion mines of <a href="/facts/British_Columbia/Ty3e3g1Q">British Columbia</a>, <a href="/facts/Canada/cWWFM8oc">Canada</a> and the Horokanai placer deposit, of <a href="/facts/Kamikawa_Subprefecture/jbaxxV4K">Kamikawa Subprefecture</a>, <a href="/facts/Hokkaid%C5%8D/kwacDkYD">Hokkaidō</a>, <a href="/facts/Japan/U5mz0SRT">Japan</a>. </p>