The shopkeeper smiled and pointed to a blue stone, stating, "That’s asapphire. Many people love its deep color, and it’s often associated with wisdom." Emily nodded and then spotted a striking green gem. "What about this one?...
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Mineral analysis is crucial to ensure purity, composition and performance, with solutions that meet needs for efficiency and sustainability.
A robust, sharp elegant array of Midnight Blue Benitoite carpeting on contrasting snow white NatroliteBenitoite, the state gem of California, is one of those crazy rare minerals that are both chemically interesting and beautiful at the same time. It is unique in the world in only this small ar...
Two carbonate minerals: (a) deep blue azurite and (b) opaque green malachite. Halides Halide minerals are salts that form when salt water evaporates. Halite is a halide mineral, but table salt is not the only halide. The chemical elements known as the halogens (fluorine, chlorine, bromine,...
Galena is positively beautiful ore that has a bright blue coloring. The ore is made of lead, and the silver cubes embedded are a bit off-putting. The lead combined with the sulfur react together and form a deadly poison. Asbestos
Since 1959, 18 new minerals have been discovered in this deposit, and Oboniobite and Scandio-fluoro-eckermannite are the 19th and 20th discovered here, said Li Xiao. Fan Hongrui, a researcher of the CAS Institute of Geology and Geophysics, said that Oboniobite is yellow-brown to brown in...
(Some people might add that gold's rarity and value are two additional properties that make it desirable for jewelry. However, rarity is not a property, and its value is determined by supply and demand.)Star sapphire: A deep blue star sapphire 8 mm x 6 mm cabochon from Thailand. ...
AZURITE – This is one of the minerals that are known for its deep and attractive blue color. It’s named Azurite because of its beautiful and head-turning blue appearance. Regarded as one of the finest masterpieces in nature, one can take spectacular photos with this mineral. ...
Clays are easily molded into a form that they retain when dry, and they become hard and lose their plasticity when subjected to heat In all definition of clays, the particle size is a key parameter, no generally upper limit is accepted till now. Although clays can be distinguished from ...