![]() Found along Deschutes River, west of Biggs Junction in Central Oregon. Rare Jasper is showing nice brown color and tight banding patterns. Fractured or broken after formation, the mineral is rebounding by filling with silica (natural healing process).ĭeschutes Jasper. Multicolored jasper with a gray or white matrix of chalcedony fragments. Besides silica, jasper contains iron and clay.īrecciated Jasper. The first piece was found near Biggs Junction in 1960 in Oregon. A unique among agates with light and dark brown colors and landscape banding patterns. Multicolored, usually yellow, brown, and green colors.īiggs Jasper. Progressively vesicles became filled with silica-rich fluid and other mineral impurities such as iron oxides and hydroxides. Different flow patterns created a variety of jaspers in types and color.Īgate Jasper. As the gases escaped from the cooling and hardening rocks, hollows and cavities that called vesicles (amygdules) were formed. Most jaspers formed millions of years ago when gases in volcano lava had been trapped in rocks. The most beautiful in the world "Morrisonite Jasper" with dark brown, tan and purple cores was found in 1947 in the Owyhee desert canyon, Southeastern Oregon. While low on monetary value, jaspers can be used to create stunning jewelry and decorative pieces. Generally, a rough jasper mineral looks dull and need to be polished to reveal its unique color and shiny surface. ![]() According to the Mohs scale, a hardness of Jasper is 6.5-7. An adequate amount of mineral impurities make jasper opaque. Typically, jasper is spotted or striped, and multicolored. Like agate, a jasper mineral is originated from chalcedony (a type of quartz) and features iron oxides, hydroxides, and other impurities, which create unique color combinations: yellow, brick-red, brown, mottled green, and, rarely, blue. Name Jasper is derived from the old French language that means “spotted” or “mottled”.
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