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At time of great dryness in south, sapphire samples are found on ground, several centuries after their first discovery. Actually, one of most beautiful quality in world is just leaving ground. Rare Stones Safari
The Yellow orthoclase from Itrongay, was found in eluvium, but comes from a pegmatite with diopside of a very special type, which presents single characteristic to be made of transparent minerals only.
It is in accesses of downwards brook named Ilakaka that first sapphires were found in 1998. The excavations follow gravel deposits which Madagascans call lalam' bato, (the way of stones.)
The essential characteristic of Isalo formations is their main constitution of soft sandstones, very permeable, badly cemented which disaggregate easily on surfaces by giving thick siliceous sand coverings. Sakalama This sapphire of natural color, therefore untreated was found in alluvium in sandstones. This is why it does not have any more its original shape. The first deposits consist of conglomerates, gravels and sands, One finds there elements of rocks and minerals: quartz, feldspars, micas, zircons, tourmalines, ilmenites, magnetite, monazite, rutile, chrysoberyls, corundum. Andranondambo Area The occurrences of Andranondambo area were industrially exploited since 1993 and have been almost abandoned few years later. Actually, it is very difficult to exploit sapphire direct in mother rock, because corundum is not concentrated enough. This sapphire was sold as a Kashmir Sapphire by some dealers on international market.
Pakistan Gem Safari The Northern areas conceals treasures, such of rubies, emeralds, sapphires, aquamarines, topazes, tourmalines etc. This is at occasion of one of our visits in valley, that some children tolled us that they found some fragments of emerald in Swat river. Gem Adventure (novel)
The plane landed early – something extremely rare on AirMad line serving Tananarive. Mrs. Nory was standing on airport's tarmac, right next to a gendarme. She welcomed her daughter Tina coming back from Belgium. © 1987 - 2004 gggems.com All rights reserved.