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aragonite
[ uh-rag-uh-nahyt, ar-uh-guh- ]
noun
- a mineral, orthorhombic calcium carbonate, CaCO 3 , chemically identical with calcite but differing in crystallization and in having a higher specific gravity and less marked cleavage.
aragonite
/ əˈræɡəˌnaɪt /
noun
- a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO 3 . Crystal structure: orthorhombic
aragonite
/ ə-răg′ə-nīt′,ăr′ə-gə- /
- A usually white, yellowish, or pink orthorhombic mineral that can occur in many different colors. Aragonite occurs as acicular (needlelike) or tabular crystals, or as fibrous aggregates. It is found in gypsum deposits, at the tips of calcite crystals, in mollusk shells and pearls, and in living reef structures. It is a polymorph of calcite. Chemical formula: CaCO 3 .
Word History and Origins
Origin of aragonite1
Word History and Origins
Origin of aragonite1
Compare Meanings
How does aragonite compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
Aragonite occurs in very small masses, of a light yellow color and fibrous structure, between layers of serpentine.
Aragonite, a mineral formed of calcium carbonate crystallized in the rhombic system; specific gravity 2.94 (compare Calcite).
In the first class 74 are included sulphur and ammonium nitrate; monotropy is exhibited by aragonite and calcite.
The shell consists of carbonate of lime, under one or both of the forms known to mineralogists as calcite and aragonite.
Like aragonite it is very frequently twinned, the compound crystals being pseudo-hexagonal in form.
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