Adamantine Spar — Adamantine is a mineral, often referred to as adamantine spar. It is a silky brown form of corundum. It has a Mohs rating of 9. [cite web |url=http://www.mindat.org/min 5135.html |title=Adamantine Spar |accessdate=September 15 |accessyear=2007]… … Wikipedia
Adamantine — can mean: *The mythical material adamant or adamantine, see: Adamant *The mineral adamantine spar, a variety of Corundum, see: Adamantine Spar *For|other uses of adamant, adamantium, and similar terms|Adamant (disambiguation)Adamantine is also… … Wikipedia
Корунд — [инд. kauruntaka] м л, α Al2О3. Ничтожные примеси Сг, Fe, Mn, Ti. Триг. К лы боченковидные, столбчатые, призм., пирамидальные, таблитчатые и др. Дв. по {1011} часто полисинтетические, редки по {0001}. Сп. отсутствует, отдельность по {0001} и … Геологическая энциклопедия
корунд — corundum, corundite, adamantine spar, diamond spar *Korund поширений мінерал класу оксидів та гідрооксидів синювато або жовтувато сірого кольору. Склад: Al2O3. Сингонія тригональна. Густина 4. Твердість 9. Прозорі відміни К., забарвленні в… … Гірничий енциклопедичний словник
Al2O3 — Corundum Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are… … The Collaborative International Dictionary of English
Corundum — Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are used as… … The Collaborative International Dictionary of English
Corundums — Corundum Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are… … The Collaborative International Dictionary of English
Emery — Corundum Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are… … The Collaborative International Dictionary of English
oriental amethyst — Corundum Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are… … The Collaborative International Dictionary of English
oriental ruby — Corundum Co*run dum (k[ o]*r[u^]n d[u^]m), n.; pl. {Corundums} (k[ o]*r[u^]n d[u^]mz). [Also corindon.] [From Hind. kurand corundum stone.] (Min.) The mineral alumina ({Al2O3}), as found native in a crystalline state. Transparent varieties are… … The Collaborative International Dictionary of English
