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Hoang Ha bronze drum of Đông Sơn Culture (national treasure no. 2 – set 1). A National Treasure (Vietnamese: Bảo vật quốc gia) or a national precious object [1] is a tangible cultural heritage or object handed down from the past with historical, cultural or scientific value of exceptional significance to the country of Vietnam. [2]
In modern use, the precious stones are emerald, ruby, sapphire and diamond, with all other gemstones being semi-precious. [9] This distinction reflects the rarity of the respective stones in ancient times, as well as their quality: all are translucent , with fine color in their purest forms (except for the colorless diamond), and very hard with ...
The seals of the Nguyễn dynasty can refer to a collection of seals (印篆, Ấn triện or 印章, Ấn chương) specifically made for the emperors of the Nguyễn dynasty (chữ Hán: 寶璽朝阮 / 寶璽茹阮), who reigned over Vietnam between the years 1802 and 1945 (under French protection since 1883, as Annam and Tonkin), or to seals produced during this period in Vietnamese history ...
Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US
Eilat stone; Epidosite; Glimmerite; Goldstone (glittering glass) Tiger's eye; Helenite (artificial glass made from volcanic ash) Iddingsite; Kimberlite; Lamproite; Lapis lazuli; Libyan desert glass; Llanite; Maw sit sit; Moldavite; Obsidian; Apache tears; Pallasite; Peridotite (also known as olivinite) Siilinjärvi carbonatite; Soapstone (also ...
Pages for logged out editors learn more. Contributions; Talk; Precious stones
The phrase Hòn non bộ comes from the Vietnamese language: Hòn (𡉕) means islands, non (𡽫) means mountains, and bộ 部 means a set, in this context, the islands and the mountains are one set. Hòn non bộ may be quite large and elaborate or small and simple. It was used to grace the courtyard entrance of the traditional Vietnamese home.
Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is composed of silica spheres some 150–300 nm (5.9 × 10 −6 –1.18 × 10 −5 in) in diameter in a hexagonal or cubic close-packed lattice.