Boleite was first discovered in Boleo, Mexico in 1891, in a location with the Baja peninsula that is becoming recognized for uncommon minerals. Boleite is this kind of an unusual and sophisticated mineral the definition of its chemical composition and crystal structure have been through quite a few revisions since its initially discovery.
The 1st specimens of boleite have been found out by Eduoard Cumenge, a French mining engineer. A different uncommon halide mineral from your exact same location, with the same construction and a rather diverse chemical composition, was named cumengite in honor of Cumenge.
There are lots of functions of boleite that 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 sizeable quantities of these metals, with about 49% lead, fourteen% copper and 9% silver. Next, it ΧειÏοποίητα Δαχτυλίδια has a captivating crystal construction, considering that boleite is usually pseudocubically twinned. That's, Each individual cube-like crystal of boleite is actually made up of a few rectangular box-like crystals oriented at appropriate angles to each other. Boleite also has an exceptionally appealing indigo coloration and several very exceptional transparent crystals are Lower as gemstones.
Boleite in MatrixBoleite Δαχτυλιδια ΜοντεÏνα 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 to pearly luster. It is an unusually dense mineral, with a particular gravity of five.05. Only a few minerals, for instance hematite and cassiterite, have a greater density. Boleite's refractive index is likewise extremely higher at two.03-2.05; bigger than sapphire, sphene and demantoid garnet.
As well as cumengite, There are ΧÏυσά a 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, Mexico, boleite has actually been found in Broken Hill in New South Δαχτυλιδια skroutz Wales, Australia; from the Mammoth District of Arizona in the United States; and inside the Mendip Hills of Somerset, ΧÏυσά England.
