Boleite was initially learned in Boleo, Mexico in 1891, in a very area on the Baja peninsula that is now well-known for rare minerals. Boleite is such an unconventional and complicated mineral the definition of its chemical composition and crystal structure have been through many revisions considering that its initial discovery.
The first specimens of boleite were being learned by Eduoard Cumenge, a French mining engineer. Yet another uncommon halide mineral within the very same area, with a similar framework and a slightly different chemical composition, was named cumengite in honor of Cumenge.
There are numerous attributes of boleite which make it of distinct desire to collectors. For something, it has an unconventional chemical composition, currently being a hydrated lead copper silver chloride hydroxide. It has considerable portions of those metals, with about forty nine% direct, fourteen% copper and 9% silver. Next, it's a captivating Δαχτυλιδια swarovski crystal framework, because boleite is often pseudocubically twinned. That's, Each individual cube-like crystal of boleite is definitely composed of a few rectangular box-like crystals oriented Δαχτυλιδια ΜονοπετÏα at proper angles to one another. Boleite also has an incredibly Δαχτυλιδια skroutz attractive indigo shade and several very exceptional transparent crystals are already Reduce as gemstones.
Boleite in MatrixBoleite in Matrix
Like other halide minerals, for instance fluorite, boleite is very smooth, having a Mohs hardness score of only 3 to 3.five. It has a vitreous to pearly luster. It truly is an unusually dense mineral, with a specific gravity of 5.05. Only some minerals, like hematite and cassiterite, have the next density. Boleite's refractive index can also be incredibly higher at two.03-two.05; greater than sapphire, sphene and demantoid garnet.
Besides cumengite, there are a number Δαχτυλίδια Γυναικεία of other minerals linked to boleite, including pseudoboleite, chloroxiphite, paralaurionite, matlockite, chlorargyrite, bideauxite, atacamite, mendipite and diaboleite.
Together with the deposit in Baja, Mexico, boleite has long been found in Broken Hill in New South Wales, Australia; from Δαχτυλίδια the Mammoth District of Arizona in the United States; and during the Mendip Hills of Somerset, England.
