- collophane
- col·lo·phane
English syllables. 2014.
English syllables. 2014.
collophane — /kol euh fayn /, n. Mineral. a massive, cryptocrystalline variety of apatite that is the principal component of phosphate rock and fossil bone. Also, collophanite /keuh lof euh nuyt , kol euh feuh /. [1915 20; < G Kollophan, equiv. to Gk koll(a)… … Universalium
collophane — /ˈkɒləfeɪn/ (say koluhfayn) noun → apatite …
collophane — … Useful english dictionary
Phosphate minerals — ▪ Table Phosphate minerals name colour lustre Mohs hardness specific gravity amblygonite white to creamy white; slightly tinted vitreous to greasy 5½–6 3.0–3.1 apatite carbonate apatite variable, greens predominating vitreous 5 2.9–3.2… … Universalium
APATITES — Phosphates de chaux naturels, Ca5(PO4)3(OH,F,Cl), les apatites sont des minéraux accessoires des roches éruptives et métamorphiques, fréquents en outre dans les gîtes phosphatés sédimentaires. Le terme, créé en 1808 par Werner, vient du grec… … Encyclopédie Universelle
Apatite — Not to be confused with appetite. Apatite General Category Phosphate mineral group Chemical form … Wikipedia
Phosphorite — A phosphorite or phosphate rock is a non detrital sedimentary rock which contains high amounts of phosphate bearing minerals. The phosphate content of phosphorite is at least 20% which is a large enrichment over the typical sedimentary rock… … Wikipedia
Apatite — Catégorie VIII : phosphates, arséniates, vanadates[1] Apatite Québec (Xl 32cm) … Wikipédia en Français
fluorapatite — /floor ap euh tuyt , flawr , flohr /, n. a crystalline mineral, Ca5(PO4)3F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth. [1880 85; < G Fluorapatit; see FLUOR , APATITE] * * * ▪ mineral… … Universalium
hydroxylapatite — ▪ mineral also called hydroxyapatite phosphate mineral, calcium hydroxide phosphate [Ca5(PO4)3OH], that forms glassy, often green crystals and masses. It is seldom pure in nature but often occurs mixed with fluorapatite, in which fluorine … Universalium