gemstones
121Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …
122hard mass — 1. Jewelry. a hard glass used for imitating gemstones. 2. (not in technical use) a. any glass for imitating gemstones, esp. emerald. b. any of certain synthetic gemstones. Also, hard masse. * * * …
123mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
124Tanzania — Tanzanian, n., adj. /tan zeuh nee euh/; Swahili. /tahn zah nee ah/, n. a republic in E Africa formed in 1964 by the merger of the republic of Tanganyika and the former island sultanate of Zanzibar (including Pemba and adjacent small islands).… …
125placer deposit — Natural concentration of heavy minerals caused by the effect of gravity on moving particles. When heavy, stable minerals are freed from their matrix by weathering processes, they are slowly washed downslope into streams that quickly winnow the… …
126Marcasite jewellery — Marcasite brooch made from pyrite and silver Marcasite jewellery is jewellery made from pyrite (fool s gold), not, as the name suggests, from marcasite.[1] Pyrite is similar to marcasite, but more stable and less brittle. Marcasite jewellery has… …
127Tie pin — Golden tiepin with emerald, 19th century A Tie pin (also known as a Stick pin), is a neckwear controlling device, originally worn by wealthy English gentlemen to secure the folds of their cravats, they were first popularized at the beginning of… …
128hard mass — 1. Jewelry. a hard glass used for imitating gemstones. 2. (not in technical use) a. any glass for imitating gemstones, esp. emerald. b. any of certain synthetic gemstones. Also, hard masse …
