Boleite was initial discovered in Boleo, Mexico in 1891, in a location of your Baja peninsula that has grown to be renowned for unusual minerals. Boleite is this sort of an uncommon and complex mineral which the definition of its chemical composition and crystal construction have undergone several revisions due to the fact its to start with discovery.
The 1st specimens of boleite have been found by Eduoard Cumenge, a French mining engineer. Another scarce halide mineral through the identical location, with an analogous construction and a slightly unique chemical composition, was named cumengite in honor of Cumenge.
There are various functions of boleite that make it of unique curiosity to collectors. For another thing, it's an unusual chemical composition, remaining a hydrated direct copper silver chloride hydroxide. It contains major quantities of such metals, with about 49% guide, 14% copper and nine% silver. Secondly, it's got Δαχτυλιδια bulgari an interesting crystal structure, due to ΛευκόχÏυσα the fact boleite is always pseudocubically twinned. That may be, Every single dice-like crystal of boleite is in fact composed of 3 rectangular box-like crystals oriented at right angles to one another. Boleite also has a really beautiful indigo colour plus some really rare clear crystals have been Minimize as gemstones.
Boleite in MatrixBoleite in Matrix
Like other halide minerals, such as fluorite, boleite is kind of gentle, that has a Mohs hardness score of only 3 to three.five. It has a vitreous to pearly luster. It is actually an unusually dense mineral, with a particular gravity of five.05. Only some minerals, for example hematite and cassiterite, have a higher density. Boleite's refractive index can be very substantial at 2.03-2.05; higher Δαχτυλιδια bulgari than sapphire, sphene and demantoid garnet.
Besides cumengite, there are a number of other minerals connected to boleite, such as pseudoboleite, chloroxiphite, paralaurionite, matlockite, chlorargyrite, bideauxite, atacamite, mendipite and diaboleite.
Besides the deposit in Baja, Mexico, boleite has been present in Damaged Hill in New Δαχτυλιδια swarovski South Wales, Australia; in the Mammoth District of Arizona in The us; and from the Mendip Hills of Somerset, Δαχτυλιδια swarovski England.
