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Hematine ring. Hematine (also magnetic hematite, hemalyke or hemalike) is an artificial magnetic material. [1] Hematine is widely used in jewelry. [citation needed]Although it is claimed by many that it is made from ground hematite or iron oxide mixed with a resin, analysis (of one object) has demonstrated it to be an entirely artificial compound, a barium-strontium ferrite.
Hematite (/ ˈ h iː m ə ˌ t aɪ t, ˈ h ɛ m ə-/), also spelled as haematite, is a common iron oxide compound with the formula, Fe 2 O 3 and is widely found in rocks and soils. [6] Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3. It has the same crystal structure as corundum ...
Antelopes attacked by birds: cylinder seal in hematite and its impression. Late Bronze Age II (maybe 14th century BC), from Cyprus in the Minoan period, following Near Eastern precedents. The technique has an ancient tradition in the Near East , and is represented in all or most early cultures from the area, and the Indus Valley civilization .
Signet Jewelers Ltd. (Ratner Group 1949–1993 then Signet Group plc to September 2008) is, as of 2015, the world's largest retailer of diamond jewellery. [1] The company is domiciled in Bermuda and headquartered in Akron, Ohio, and is listed on the New York Stock Exchange.
Maghemite (Fe 2 O 3, γ-Fe 2 O 3) is a member of the family of iron oxides.It has the same formula as hematite, but the same spinel ferrite structure as magnetite (Fe 3 O 4) and is also ferrimagnetic.
Mexican crazy lace agate Agate. Agate - Hebrew שְׁבוֹ šəḇō; Greek ἀχάτης achates, Latin achates (Exodus 28:19, [2] 39:12, [3] in Heb. and Vulgate; also Ezekiel 28:13 [4] in Septuagint).
Later Viking jewelry also starts to exhibit simplistic geometric patterns. [27] The most intricate Viking work recovered is a set of two bands from the 6th century in Alleberg, Sweden. [26] Barbarian jewelry was very similar to that of the Vikings, having many of the same themes. Geometric and abstract patterns were present in much of barbarian ...
Native American jewelry refers to items of personal adornment, whether for personal use, sale or as art; examples of which include necklaces, earrings, bracelets, rings and pins, as well as ketohs, wampum, and labrets, made by one of the Indigenous peoples of the United States. Native American jewelry normally reflects the cultural diversity ...