Page 45 - Ashagal El m3aden
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?????? ???????? ?????? ??????????? ???????? ?? ???? ??????? ??????? ??? ???? " ??????
?????????" ????? ?????? ??????? ????? ???? ???? ?????? ???????? ? refractive index????? ?????
??????? ????? ??????? ??????.??
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?? polariscope????????? ???? ???? ??? ???? ???? ?????? ?????? ? polariscope????? ???????
??? ????? ???????? ?????? ??????? ????? ?????? ? ???????? ??????? ??????????? ????????? ? ?????????????
????????? ???????? ? synthetic rubies????? ??? ?????? ?????? ? doubly refracting??? ??? ???
???????? ? ??????????? ?????????? ??????? ? synthetice spinels????? ????? ? ????????? ? ?????? ????
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???? ??????? ??? ???? ?? ???? ????? ?????? ??? ??? ????? ?? ?????? ???? ???? ????????? ???????
??????? ????????? ????? ????? ??????? ???? ???? ??? ?????? ????? ????? ? dichroscope????? ?????
???? ???? ???????? ???????? ? dichroism??? ???? ?????? ?????? ? spectroscope??????? ?????
??????? ??????.??
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?? hardness???????? ? hardness??? ?????? ?????? ????? ?????? ??? ???? ??? ?? ???????? ?????
?????? ????? ??????? ??????? ??????? ? gemologist??? ??? ??????? ??????? ? .????? ?????
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