Cassiterite is a tin oxide mineral with a chemical composition of sno 2. It is usually recovered from mines as black opaque grains which are of little use in jewellery. They appear to be small and unassuming found in the form of small and scratched prisms. Cassiterite is a durable gemstone with tremendous dispersive fire especially visible in properly cut pale colored stones. It has a beautiful shiny.
It is generally opaque but it is translucent in thin crystals. It is also a residual mineral found in soils and sediments. Cassiterite is a gemstone of which colors are yellow brown brown and black. This gemstone is found in black light black blackish brown in yellow with an essence of green red and in many other different colors. As the principal ore of tin it s also a common mineral.
Cassiterite was the chief tin ore throughout ancient history and remains the most important source of tin today. Cassiterite is a gemstone quality tin oxide sno2. There are also a variety of minerals that have a similar appearance. It has a little sense of transparency too. Cassiterite is a very important gemstone found in the form of tin.
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Cassiterite is a tin oxide mineral sno 2. Small amounts of primary cassiterite are found in igneous and metamorphic rocks throughout the world. Occasionally rare transparent reddish brown crystals with adamantine lustre are found and faceted for collectors. Its luster and multiple crystal faces produce a desirable gem. With regard to its chemical composition and formula there are no directly related gemstones.Cassiterite is a very important and rare ore which is found in the form of tin. This gemstone has found its name from the word cassiterides which was used in ancient roman times to describe islands of britain. The hardness is higher mohs hardness is 6 7. It is the most important source of tin and most of the world s supply of tin is obtained by mining cassiterite. However there are a few minerals that have very similar compositions.
Unfortunately facetable rough is very scarce. Unfortunately facetable rough is very scarce. Cassiterite is a very important and rare ore which is found in the form of tin. Cassiterite is a tin oxide mineral sno 2. Cassiterite was the chief tin ore throughout ancient history and remains the most important source of tin today.
However there are a few minerals that have very similar compositions. It is generally opaque but it is translucent in thin crystals. Cassiterite is a tin oxide mineral with a chemical composition of sno 2.
