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  2. Ruby - Wikipedia

    en.wikipedia.org/wiki/Ruby

    After the Second World War, ruby deposits were found in Madagascar, Mozambique, Nepal, Pakistan, Tajikistan, Tanzania, and Vietnam. [11] The Republic of North Macedonia is the only country in mainland Europe to have naturally occurring rubies. They can mainly be found around the city of Prilep. Macedonian rubies have a unique raspberry color. [12]

  3. List of rubies by size - Wikipedia

    en.wikipedia.org/wiki/List_of_rubies_by_size

    These were once known as "Balas rubies". The quality of a ruby is determined by its color, cut, and clarity, which, along with carat weight, affect its value. The brightest and most valuable shade of red called blood-red or pigeon blood, commands a large premium over other rubies of similar quality.

  4. Ruby Gap Nature Park - Wikipedia

    en.wikipedia.org/wiki/Ruby_Gap_Nature_Park

    Ernestine Hill wrote about the ruby rush in The Territory (1951) and she was not convinced that they were not rubies and called them "Alice Springs rubies" (a distinct variety) and said that, following the collapse of the market, the first prospectors would keep sugar bags full of rubies in their chicken houses for years and give them away by ...

  5. Gemstone industry in Greenland - Wikipedia

    en.wikipedia.org/wiki/Gemstone_industry_in_Greenland

    Individually, ruby-bearing zones can measure up to 20 metres in thickness and up to 200 metres in length. They may occur as single showings, but are usually found in alignments of multiple showings, with some of the occurrences such as The Ruby Island Line collectively up to 3.5 kilometres in strike length, and as much as 100 metres in width. [5]

  6. Timeline of materials technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_materials...

    28,000 BC – People wear beads, bracelets, and pendants [1]; 14,500 BC – First pottery, made by the Jōmon people of Japan.; 6th millennium BC – Copper metallurgy is invented and copper is used for ornamentation (see Pločnik article)

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Cardinal gem - Wikipedia

    en.wikipedia.org/wiki/Cardinal_gem

    The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]

  9. 'Antiques Roadshow': diamond and ruby jewelry worth a fortune

    www.aol.com/news/2014-08-12-antiques-roadshow...

    To get your hands on some rubies and/or diamonds of your own, you can visit Christie's for some gorgeous and less expensive pieces. If you like 'Antiques Roadshow,' take a look inside the show ...