have you ever know about keong buntet or kol buntet? if you had just hear it from some one, then this is the picture of kol buntet or keong buntet. it is just looked like a keong but it does not have hole like a common keong. this keong is really strage and many people say that this keong is really a magical stone.
In 640 BCE Necheps wore a jasper around his neck to cure his queasy stomach. In 1969 Barbara Anton (a graduate Gemologist from the Gemo-logical Institute of New York) advised a friend, who had suffered from irregular menstrual periods for years, to wear a yellow jasper pendant. So long as she wore it,her periods came regularly on a twenty-eight day cycle.
Any good book on gems and minerals will give you full descriptions of the many varieties of stones available in the full spectrum of color. Rubies, emeralds, sapphires are obvious examples of red, green and blue, but there are many other equally effective yet far less expensive stones available. Here are a few stones, together with the colors in which they can be obtained plus some of the ancient beliefs regarding their properties.
The strange stone by tionghoa people used for luck
Heat samples observation the zircon inclusions displayed distinct changes in crystal morphology after heating to sufficient temperature. Below 1550celsius the euhedral morphology general remained unchanged. At temperatures as low as 1400 celsius, portion of the interface between some zircon and the host sapphire became slightly turbid or frosted, though most of the body of the zircon remained clear and transparent .
Temperature increased to 1550 celsius most of the zircon inclusions were noticeable affect. After heating at 1600 celsius, the zircon inclusion display even more distinct morphological variations. While the overall outline remained fundamentally unchanged. Temperature 1680 celsius the shapes of the inclusions became irregular, losing their euhedral outline. Temperature 1850 celsius melt-filled fracture showed basically the same orientation within the sapphire host and were nearly parallel to each other.
Application for gem identification, visual evidence of modification or distruction of solid inclusion in sapphire and ruby are powerful clues for determining if a stone has been heated. The results form this study can be used to determine not only the possibility of heat treatment at sapphire with zircon inclusions, but also estimate of temperature applied.
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