6.7" Wide, Polished Amazonite Section - Madagascar
There is an unidentified purple mineral that's naturally associated with this amazonite and smoky quartz. The Mohs Hardness scratch test confirms that it is softer than quartz and harder than calcite. Fluorite has been found to form in association with amazonite, so it's possible it's fluorite, however its lack of fluorescence and its chatoyant properties in spots make it difficult to identify.
It has recently received lot of attention for its prominence on the reality show, “Prospectors” which follows several groups of Colorado mineral miners. In fact, most of our amazonite is sourced from some of the prospectors on the show. High quality amazonite crystals are found at several locations in Colorado, often in vugs associated with smoky quartz.
The name comes from the Amazon River, where it was thought Amazonite was originally found, though it’s now thought doubtful that it occurs in the region. For years it was thought that the green color was due to copper content, but we now know that it’s due to very small quantities of lead present in the mineral.