Kyrgyzstan Issued Stamps on Minerals

kyrgyzstan minerals stampsAragonite – a speleothem (South of Kyrgyzstan), which is formed in karst cavities (caves). Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate.

Realgar with orpiment. Its deposit is located in Khaidarkan and it can be found together with cinnabar (quicksilver). Realgar, is an arsenic sulfide mineral, also known as “ruby sulphur” or “ruby of arsenic”.

It is a soft, sectile mineral occurring in monoclinic crystals, often in association with the related mineral, orpiment (As2S3).

Stibnite (antimonite, antimony). Its deposit is located in Kadamjay (an example of antimony ores’ purity, about 99.99%). Stibnite, sometimes called antimonite, is a sulfide mineral. This soft grey material crystallizes in an orthorhombic space group. It is the most important source for the metalloid antimony.

Kyanite (disthene). Its deposit is located in Chatkal District. The hardness of this mineral varies within one crystal. Kyanite, is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites. The Minerals of Kyrgyzstan

Date of Issue: 6 January 2016

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