Boleite was initially identified in Boleo, Mexico in 1891, within a region of the Baja peninsula that happens to be famous for exceptional minerals. Boleite is these an abnormal and complex mineral which the definition of its chemical composition and crystal framework have gone through a number of revisions because its first discovery.
The main specimens of boleite ended up identified by Eduoard Cumenge, a French mining engineer. Another scarce halide mineral with the identical place, with an analogous framework and a slightly distinctive chemical composition, was named cumengite in honor of Cumenge.
There are plenty of capabilities of boleite that make it of particular fascination to collectors. For something, it's got an abnormal chemical composition, becoming a hydrated guide copper silver chloride hydroxide. It includes 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 often pseudocubically twinned. Which is, each dice-like crystal of boleite is actually made up of a few rectangular Δαχτυλιδια Φθηνα box-like crystals oriented at appropriate angles to each other. Boleite also has an exceptionally desirable indigo coloration and several extremely exceptional transparent crystals are Lower as gemstones.
Boleite in MatrixBoleite in Matrix
Like other halide minerals, such as fluorite, boleite is fairly soft, by using a Mohs hardness rating of only three to three.5. It's got a vitreous to pearly luster. It is an unusually dense mineral, with a certain gravity of 5.05. Just a few Δαχτυλίδια minerals, which include hematite and cassiterite, have a better density. Boleite's refractive index is usually really superior at 2.03-two.05; higher than sapphire, sphene and demantoid garnet.
Together with cumengite, There are a ΧÏυσά & ΛευκόχÏυσα Δαχτυλίδια selection of other minerals connected with boleite, together with pseudoboleite, chloroxiphite, paralaurionite, matlockite, chlorargyrite, bideauxite, atacamite, mendipite and diaboleite.
As well as the deposit in Baja, Δαχτυλίδια Γυναικεία Mexico, boleite has long been found in Broken Hill in New South Wales, Australia; from the Mammoth District Δαχτυλιδια bulgari of Arizona in the United States; and inside the Mendip Hills of Somerset, England.
