Boleite was initial found in Boleo, Mexico in 1891, inside a location of your Baja peninsula that has grown to be renowned for uncommon minerals. Boleite is this kind of an unusual and sophisticated mineral the definition of its chemical composition and crystal construction have undergone quite a few revisions considering the fact that its initially discovery.
The 1st specimens of boleite have been found by Eduoard Cumenge, a French mining engineer. Another scarce halide mineral with the identical location, with an analogous construction and a slightly distinctive chemical composition, was named cumengite in honor of Cumenge.
There are plenty of options of boleite which make it of specific desire to collectors. For something, it's got an strange chemical composition, staying a hydrated direct copper silver chloride hydroxide. It consists of sizeable quantities of those metals, with about 49% direct, 14% copper and nine% silver. Secondly, it's a fascinating crystal composition, considering the fact that boleite is usually Δαχτυλιδια ΜοντεÏνα pseudocubically twinned. That is, Each individual cube-like crystal of boleite is definitely Δαχτυλιδια ΜονοπετÏα composed of a few rectangular box-like crystals oriented at proper angles to one another. Boleite also has an incredibly ΑσημÎνια Δαχτυλίδια appealing indigo coloration and a few pretty unusual clear crystals happen to be Slice as gemstones.
Boleite in MatrixBoleite Δαχτυλιδια Φθηνα in Matrix
Like other halide minerals, including fluorite, boleite is sort of comfortable, with a Mohs hardness score of only three to 3.five. It's got a vitreous to pearly luster. It really is an unusually dense mineral, with a selected gravity of 5.05. Just a few minerals, such as hematite and cassiterite, have a better density. Boleite's refractive index is also quite high at 2.03-two.05; larger than sapphire, sphene and demantoid garnet.
In addition to cumengite, There are a variety of other minerals associated with boleite, like pseudoboleite, chloroxiphite, paralaurionite, matlockite, chlorargyrite, bideauxite, atacamite, mendipite and diaboleite.
In addition to the deposit in Baja, Mexico, boleite is located in Broken Hill in New South Wales, Australia; inside the Mammoth District of Arizona Δαχτυλιδια ΜοντεÏνα in America; and within the Mendip Hills of Somerset, England.
