Boleite was initially uncovered in Boleo, Mexico in 1891, within a region from the Baja peninsula that has become famous for exceptional minerals. Boleite is these an strange and complicated mineral that the definition of its chemical composition and crystal composition have gone through a number of revisions because its first discovery.
The first specimens of boleite ended up identified by Eduoard Cumenge, a French mining engineer. An additional rare halide mineral within the very same area, with a similar composition and a slightly various chemical composition, was named cumengite in honor of Cumenge.
There are several options of boleite which make it of unique curiosity to collectors. For another thing, it's an uncommon chemical composition, remaining a hydrated direct copper silver chloride hydroxide. It consists of significant portions of these metals, with about forty nine% lead, fourteen% copper and 9% silver. Next, it has a captivating crystal construction, because boleite is ΧÏυσά Δαχτυλίδια often pseudocubically twinned. Which is, Each individual cube-like crystal of boleite is actually composed of a few rectangular box-like crystals oriented at appropriate angles to one another. Boleite also has an incredibly appealing indigo shade and a few pretty unusual transparent crystals are Lower as gemstones.
Boleite in MatrixBoleite in Matrix
Like other halide minerals, which include fluorite, boleite is fairly soft, by using a Mohs hardness ranking of only 3 to three.5. It's a vitreous Δαχτυλιδια Φθηνα to pearly luster. It is actually an unusually dense mineral, with a particular gravity of five.05. Only a few minerals, for instance hematite and cassiterite, Δαχτυλίδια have a higher density. Boleite's refractive index can be very substantial at two.03-2.05; better than sapphire, sphene and Δαχτυλιδια swarovski demantoid garnet.
Along with cumengite, There are a variety of other minerals associated with boleite, like pseudoboleite, chloroxiphite, paralaurionite, matlockite, chlorargyrite, bideauxite, atacamite, mendipite and diaboleite.
In Δαχτυλιδια bulgari addition to the deposit in Baja, Mexico, boleite has become located in Broken Hill in New South Wales, Australia; inside the Mammoth District of Arizona in America; and within the Mendip Hills of Somerset, England.
