Ring Jewellery.
By Aamir Mannan. ENSTATITE STONE
An outstanding feature in the absorption spectrum of enstatite is a clear-cut, narrow band at 5060 A. This is seen in tremendous strength in brownish stone from India, when weaker bands at 5480,4830,4500 A etc can also be seen.In the attractive green enstatite which, with fine red pyrope pebbles , were recovered from the diamond concentrates in Kimberley. the colour is enriched by the presence of chromium and a doublet can be seen at 6870 A and weaker chromium bands on the short-wave side of this in the usual chromium manner. In these green
An outstanding feature in the absorption spectrum of enstatite is a clear-cut, narrow band at 5060 A. This is seen in tremendous strength in brownish stone from India, when weaker bands at 5480,4830,4500 A etc can also be seen.In the attractive green enstatite which, with fine red pyrope pebbles , were recovered from the diamond concentrates in Kimberley. the colour is enriched by the presence of chromium and a doublet can be seen at 6870 A and weaker chromium bands on the short-wave side of this in the usual chromium manner. In these green 
enstatites the 5060 bands is still sharp and clear. There can be no doubt in it is due to ferrous iron. This region of the spectrum, where green turns to blue, is often the opposition for the strongest iron bands.e
stone from India, when weaker bands at 5480,4830,4500 A etc can also be seen.In the attractive green enstatite which, with fine red pyrope pebbles , were recovered from the diamond concentrates in Kimberley. the colour is enriched by the presence of chromium and a doublet can be seen at 6870 A and weaker chromium bands on the short-wave side of this in the usual chromium manner. In these green
enstatites the 5060 bands is still sharp and clear. There can be no doubt in it is due to ferrous iron. This region of the spectrum, where green turns to blue, is often the opposition for the strongest iron bands.e
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