Trade (Cowley)
Howlite. Synonyms: Cowley, silikoborokaltsit. We pay special attention to this natural mineral that today often passes for turquoise. Color natural govlita usually white or gray, often there are minerals with a brown and black veins (the veins resemble veins turquoise). The mineral is named after its discoverer - Canadian geologist Henry Gov. Howlite is borosilicate Ca2B5Si09 calcium (0H) 5. It is a cheap material. The ultraviolet light are tiny, barely visible to the naked eye crystals govlita sometimes glow yellowish or whitish light (these crystals also can be seen in a strong magnifying glass).
Howlite easily painted in blue, turquoise, green and any other colors and therefore very often acts as a substitute for turquoise and red or pink corals. It is a natural mineral. Imitation becomes so fine that sellers deliberately give dyed howlite for real turquoise. From govlita cut beads, cabochons, and even small figurines. Polished surface govlita glitters like porcelain (another difference from the turquoise). The main deposits are located in Nova Scotia (Canada). Howlite is found on the territory of California (USA). Turkvenit - kind govlita.
Surface staining govlita very quickly used up. Therefore, we recommend to buy cheap jewelry in the form of beads and pendants from NOT, neoblagorozhennogo white govlita (kaulita), as when it is worn marketable products will not be lost. The beads it is a bit like a turquoise and white intrigue surrounding, retaining an interesting pattern of veins and cracks, and all the advantages of natural stone. Unpainted Kaul sale is not common.
The magical properties of stones.
White govlita symbolizes innocence and at the same time, represents the power of human dignity. Jewellery with govlitom help quell the anger, to banish disturbing thoughts and emotions. There is a belief that brings the howlite restful sleep and helps to remember past dreams. This mineral sharpens the sense of beauty.
Toxic and hazardous radioactive rocks and minerals
** - Poisonous stones and minerals (obligatory check in chemical laboratory + clear indication of toxicity).
** - Radioactive rocks and minerals (obligatory check on a regular dosimeter + ban on the open sale of radioactivity in the event of more than 24 mR / hour + additional measures to protect the population).
All rare stones should always be checked on a regular dosimeter on the permissible level of radiation and a chemical laboratory in the absence of toxic and volatile components which are hazardous to humans and the environment.
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