Matthewgof

Matthewgof

Member Since -0001

Matthewgof Lebanon Profile

Ñòåêëÿííûå ãäå êóïèòü êðóæåâà èìèòàöèè äðàãîöåííûõ êàìíåé áûëè èçâåñòíû ÷òîáû ïðîòÿæåíèè ñðåäíåâåêîâüÿ, âñåòàêè ïðîçâàíèå «ñòðàç» ïðîèñõîäèò ñêâîçü ôàìèëèè ýëüçàññêîãî þâåëèðà Ãåîðãà Øòðàññà (Georges Frederic Strass, 1701—1773), êîòîðûé â XVIII âåêå ãäå êóïèòü êðóæåâà ïîëó÷èë êàëèåâîå ñòåêëî ñ âûñîêèì ñîäåðæàíèåì ñâèíöà (â èòîã øèõòû âõîäèëî áîëåå 50 % ñâèíöîâîãî ñóðèêà Pb3O4) è èñïîëüçîâàë åãî â ïðîèçâîäñòâå áèæóòåðèè, èìèòèðóþùåé áðèëëèàíòû. Ïîëó÷åííîå Øòðàññîì ñòåêëî ÿâëÿëîñü ñâèíöîâûì õðóñòàë¸ì (â ñîâðåìåííîé êëàññèôèêàöèè îïòè÷åñêèõ ñò¸êîë — òÿæ¸ëûé ôëèíò), õàðàêòåðèçóþùèìñÿ, èççà âûñîêîãî ïîêàçàòåëÿ ïðåëîìëåíèÿ ñèëüíûì «áëåñêîì» è, ÷òîáû âûñîêîé äèñïåðñèè — öâåòíîé «èãðîé».

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