Types of Glass

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Lead Glass

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While vulnerable to conditions of volatile temperature, it has an excellent insulating ability.[1]

Islamic anti-Judaism

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Between the 9th and13th Century

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Throughout the Islamic Golden Age, the relatively tolerate societies of the various caliphates were still, on occasion, driven to enforce discriminatory laws against members of the Jewish faith. Examples of these and more extreme persecutions occurred under the authority of multiple, radical Muslim Movements such as that of the Fatimid Caliph Al-Hakim bi-Amr Allah in the 11th century, the Almohad Caliphate in the 12th century, and in the 1160s CE Shiite Abd al-Nabi ibn Mahdi who was an Imam of Yemen.[2]

Late Middle Ages and Early Modern Period

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Differentiation laws were enforced much more regularly following the decline of secular influence within Islamic society and external threats posed by non-Muslims.[2]

References

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  1. ^ "All About Glass | Corning Museum of Glass". www.cmog.org. Retrieved 2016-04-08.
  2. ^ a b Cohen, Mark; Stillmann, Norman (June 1991). "The Neo-Lachrymose Conception of Jewish-Arab History". Tikkun. Retrieved May 2016. {{cite magazine}}: Check date values in: |access-date= (help)