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A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray, or green-gray color. The name is also given to a similar variety of serpentine.

A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray, or green-gray color. The name is also given to a similar variety of serpentine.

Asbestos. Fibrous incombustible mineral composed of magnesium and calcium silicates with or without other elements. It is relatively inert chemically and used in thermal insulation and fireproofing. Inhalation of dust causes asbestosis and later lung and gastrointestinal neoplasms.

A fibrous mineral.

An incombustible mineral, a variety of hornblende, of a fine fibrous texture, resembling flax.

An incombustible fibrous mineral.

A fibrous fire-proof mineral.

Fibrous magnesium and calcium silicate.

A name given to several fibrous varieties of double silicate of magnesium and calcium, remarkable for their resistance to the action of heat. A soft, fibrous substance, made up of flexible or elastic filaments sometimes closely resembling those of flax or silk. It surpasses all other substances as a non-conductor of heat. Used as a covering to steam pipes and as a filter material. Later applied to the substance that cannot be burned. [Gr.]

n. [Latin, Greek] A mineral pf a white-grey colour; a fibrous variety of hornblende and pyroxene.

A sort of native fossile stone, which may be split into threads and filaments, from one inch to ten inches in length, very fine, brittle, yet somewhat tractable. It is endued with the wonderful property of remaining unconsumed in the fire, which only whitens it.