{"id":2212,"date":"2025-11-27T11:54:21","date_gmt":"2025-11-27T16:54:21","guid":{"rendered":"https:\/\/iversonsoftware.com\/wp\/?p=2212"},"modified":"2025-11-27T11:54:21","modified_gmt":"2025-11-27T16:54:21","slug":"aerugite","status":"publish","type":"post","link":"https:\/\/iversonsoftware.com\/wp\/aerugite\/","title":{"rendered":"Aerugite"},"content":{"rendered":"<p><!--StartFragment --><\/p>\n<p><strong>Aerugite is a rare nickel arsenate mineral, historically described from European localities, and notable for its vivid green coloration.<\/strong> It is considered a secondary mineral, forming in the oxidation zones of nickel-arsenic deposits.<\/p>\n<hr \/>\n<h2>\ud83c\udf0d Origins and Naming<\/h2>\n<ul>\n<li><strong>Name Origin:<\/strong> From Latin <em>aerugo<\/em> (\u201cverdigris\u201d or \u201cgreen rust\u201d), referencing its bright green color.<\/li>\n<li><strong>Discovery:<\/strong> First described in the 19th century.<\/li>\n<li><strong>Type Locality:<\/strong> Saxony, Germany.<\/li>\n<\/ul>\n<hr \/>\n<h2>\ud83d\udd2c Chemical and Structural Properties<\/h2>\n<ul>\n<li><strong>Formula:<\/strong> Ni\u2089(AsO\u2084)\u2082(AsO\u2083OH)\u2084\u00b78H\u2082O<\/li>\n<li><strong>Mineral Group:<\/strong> Arsenates<\/li>\n<li><strong>Crystal System:<\/strong> Triclinic<\/li>\n<li><strong>Color:<\/strong> Bright green to emerald-green<\/li>\n<li><strong>Habit:<\/strong> Typically occurs as crusts, earthy masses, or fine-grained aggregates rather than well-formed crystals<\/li>\n<li><strong>Hardness:<\/strong> ~2 on Mohs scale (very soft)<\/li>\n<li><strong>Specific Gravity:<\/strong> ~4.1\u20134.2<\/li>\n<li><strong>Luster:<\/strong> Dull to earthy<\/li>\n<li><strong>Streak:<\/strong> Green<\/li>\n<\/ul>\n<hr \/>\n<h2>\u2699\ufe0f Geological Occurrence<\/h2>\n<p>Aerugite is a <strong>secondary mineral<\/strong>, forming through the alteration of nickel arsenides and sulfides in the presence of oxygen and water.<\/p>\n<ul>\n<li><strong>Associated Minerals:<\/strong> Annabergite (Ni arsenate), erythrite (Co arsenate), and other secondary arsenates.<\/li>\n<li><strong>Localities:<\/strong>\n<ul>\n<li>Saxony, Germany (classic locality)<\/li>\n<li>Cornwall, England<\/li>\n<li>Other European nickel-arsenic deposits<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>\ud83d\udcd6 Scientific and Collector Significance<\/h2>\n<ul>\n<li><strong>Mineralogical Rarity:<\/strong> Aerugite is extremely rare and often poorly crystallized, making it more of a scientific curiosity than a collector\u2019s showpiece.<\/li>\n<li><strong>Research Value:<\/strong> Provides insight into the geochemistry of nickel and arsenic in oxidized environments.<\/li>\n<li><strong>Collector Appeal:<\/strong> Its vivid green color is attractive, but specimens are usually small and earthy.<\/li>\n<\/ul>\n<hr \/>\n<h2>\u26a0\ufe0f Safety Considerations<\/h2>\n<p>Aerugite contains <strong>arsenic<\/strong>, making it potentially toxic. Handling requires care\u2014avoid inhaling dust or ingesting particles, and wash hands after contact.<\/p>\n<hr \/>\n<h2>\u2728 Conclusion<\/h2>\n<p>Aerugite is a <strong>rare nickel arsenate mineral<\/strong>, valued for its bright green color and scientific significance in understanding secondary mineral formation in arsenic-rich deposits. Though not a major collector\u2019s mineral due to its rarity and earthy habit, it remains an important piece of mineralogical history.<\/p>\n<hr \/>\n<p><strong>In short: Aerugite is a rare, bright green nickel arsenate from Saxony, Germany, formed in oxidized nickel-arsenic deposits.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><!--EndFragment --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aerugite is a rare nickel arsenate mineral, historically described from European localities, and notable for its vivid green coloration. It is considered a secondary mineral, forming in the oxidation zones of nickel-arsenic deposits. \ud83c\udf0d Origins and Naming Name Origin: From Latin aerugo (\u201cverdigris\u201d or \u201cgreen rust\u201d), referencing its bright green color. Discovery: First described in &hellip; <a href=\"https:\/\/iversonsoftware.com\/wp\/aerugite\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Aerugite&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2212","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/posts\/2212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/comments?post=2212"}],"version-history":[{"count":1,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/posts\/2212\/revisions"}],"predecessor-version":[{"id":2213,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/posts\/2212\/revisions\/2213"}],"wp:attachment":[{"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/media?parent=2212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/categories?post=2212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iversonsoftware.com\/wp\/wp-json\/wp\/v2\/tags?post=2212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}