| Part of Speech | Definition | |
| Noun | 1. A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite.[Websters]. | |
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Date "FIBROLITE" was first used in popular English literature: sometime before 1828. (references) |
| Etymology:Fibrolite \Fi"bro*lite\, noun. [Latin expression fibra fiber -lite: compare to the French expression fibrolithe.]. (references) |
Specialty Definition: FIBROLITE
| Domain | Definition | ||
| Noah Webster | [Noun] A mineral that occurs with corundum, of a white or gray color, composed of minute fibres some of which appear to be rhomboidal prisms.. Source: Webster's 1828 American Dictionary. | ||
| Mining | A. A fibrous, felted variety of sillimanite. b. One of three crystalline forms of aluminum sillicate, Al2 SiO 5 , the others being andalusite (low temperature) and kyanite (high temperature). Sillimanite occurs commonly as felted aggregates of exceedingly thin fibrous crystals (hence the name fibrolite) in contact metamorphosed aluminous sediments such as mudstones, shales, etc. Crystalsof a pale sapphire blue are used as gems. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Specialty Expressions: FIBROLITE
| Expressions | Domain | Definition | |
| Fibrolite cat's-eye | Mining | A pale greenish variety of sillimanite having fibrous inclusions; when cut, produces a chatoyant effect, but not a well-defined cat's-eye. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
