Hanksite

Hanksite

Hanksite is a mineral, distinguished as one of only a handful that contain both carbonate and sulfate ion groups. This can bring confusion as to which category to place it into, normally it is regarded as sulfate class mineral as there are more of these groups than the carbonate.

Occurrence

Hanksite is normally found in crystal form as evaporite deposits. Hanksite crystals are large but not complex in structure. It is often found in Searles Lake, San Bernardino County and Mono Lake, California.

Chemistry

Composition: Na22K(SO4)9(CO3)2Cl, Sodium, Potassium, Sulfate, Carbonate, Chloride

Physical characteristics

Hanksite can be colorless, white, gray, green or yellowand is transparent or translucent.The mineral's hardness is approximately 3 to 3.5The specific gravity is approximately 2.5 (slightly below average).The mineral is salty to the taste, can be covered in a light film of dust and sometimes glows in ultra-violet light.

imilar minerals

* halite
* borax
* trona
* nahcolite
* tincalconite

References

* [http://www.galleries.com/minerals/sulfates/hanksite/hanksite.htm Hanksite article] at [http://www.galleries.com galleries.com]


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  • hanksite — hanksitas statusas T sritis chemija apibrėžtis Mineralas. formulė KNa₂₂[Cl(CO₃)₂(SO₄)₉] atitikmenys: angl. hanksite rus. ганксит …   Chemijos terminų aiškinamasis žodynas

  • hanksite — hanks·ite …   English syllables

  • hanksite — ˈhaŋkˌsīt noun ( s) Etymology: Henry G. Hanks died 1907 American mineralogist + English ite : a mineral Na22K(SO4)9(CO3)2Cl consisting of white or yellow sulfate carbonate chloride of sodium and potassium occurring in hexagonal crystals …   Useful english dictionary

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