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A mineral form of crystalline calcium carbonate
Answer for the clue "A mineral form of crystalline calcium carbonate ", 9 letters:
aragonite
Alternative clues for the word aragonite
Word definitions for aragonite in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context mineral English) A saline evaporite consisting of anhydrous calcium carbonate with the chemical formula calciumcarbonoxygen 3 ; it is dimorphous with calcite.
WordNet
Word definitions in WordNet
n. a mineral form of crystalline calcium carbonate; dimorphic with calcite
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Aragonite \A*rag"o*nite\, n. [From Aragon, in Spain.] (Min.) A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters. [1913 Webster] ||
Wikipedia
Word definitions in Wikipedia
Aragonite is a carbonate mineral , one of the two common, naturally occurring, crystal forms of calcium carbonate , Ca C O (the other form being the mineral calcite ). It is formed by biological and physical processes, including precipitation from marine ...
Usage examples of aragonite.
All around and above them, wet and dripping, the walls were encrusted with aragonite crystals that glittered as Le Cagot moved the flare back and forth.
He wedged the rubberized flashlight between two outcroppings of aragonite, and in its beam attached the mask to the air tank, grunting with pain as he tightened the connections with his flayed fingers.
Being isomorphous with aragonite, it crystallizes in the orthorhombic system, but simple crystals are not known.
The face was of pure gold, the eyes were made of aragonite and obsidian, the brows and lids of lapis-lazuli glass.
It seemed to me to be such an ordinary discovery, until I learned that some of the granules were identified by optical crystallography to be travertine aragonite that had a spectral signature matching limestone samples taken from ancient Jerusalem tombs.
All around and above them, wet and dripping, the walls were encrusted with aragonite crystals that glittered as Le Cagot moved the flare back and forth.
Pearl: The product of oysters and other mollusks, these precious stones are layers of aragonite formed around a bit of grit or other irritant.