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In 1981, ammolite was given official gemstone status by the World Jewellery Confederation (CIBJO), the same year commercial mining of ammolite began. It was designated the official gemstone of Lethbridge , Alberta, Canada in 2007, [ 3 ] [ 4 ] and was subsequently designated as Alberta's official gemstone in April 2022.
Charm Diamond Centres is an independently owned Canadian jewellery retailer. [1] [2] [3] Its stores are primarily located within regional malls in Canadian provinces such as Ontario, Alberta, Manitoba, Saskatchewan, Nova Scotia, New Brunswick, Newfoundland and Labrador and Prince Edward Island.
Pages in category "Jewellery retailers of Canada" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. B.
CJA is the national trade association for the Canadian jewellery industry, and has a strong history dating back to 1918. [2] The Association is the voice of the Canadian jewellery and watch industry, and represents over 1,000 member locations consisting of retailers, suppliers and wholesalers, appraisers, designers, and goldsmiths across Canada, and provides leadership in ethics, education and ...
Heat can either improve or spoil gemstone color or clarity. The heating process has been well known to gem miners and cutters for centuries, and in many stone types heating is a common practice. Most citrine is made by heating amethyst, and partial heating with a strong gradient results in "ametrine" – a stone partly amethyst and partly citrine.
Naturally occurring prasiolite has also been found in the Thunder Bay area of Canada. [4] Prasiolite - Sokołowiec, Lower Silesia, Poland. Most prasiolite sold is used in jewellery settings, where it can substitute for far more expensive precious gemstones. Prasiolite is a rare stone in nature; artificial prasiolite is produced from amethyst. [4]