hard cleavable

См. также в других словарях:

• Detergent — For the band, see The Detergents. Detergents A detergent is a surfactant or a mixture of surfactants with cleaning properties in dilute solutions. [1] In common usage, detergent refers to alkylbenzenesulfonates, a family of compounds that are… …   Wikipedia

• Borate minerals — ▪ Table Borate minerals name colour lustre Mohs hardness specific gravity boracite colourless or white vitreous 7–7½ 2.9–3.0 borax colourless to white; grayish, bluish, greenish vitreous to resinous 2–2½ 1.7 colemanite colourless; white,… …   Universalium