VS.

Sapphire vs. Alumina

Published:

Sapphirenoun

(countable) A clear deep blue variety of corundum, valued as a precious stone.

Aluminanoun

Aluminum oxide, especially when used in mining, material sciences or ceramics.

Sapphirenoun

A white, yellow, or purple variety of corundum, either clear or translucent.

Aluminanoun

One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.

Sapphirenoun

A deep blue colour.

Aluminanoun

any of various forms of aluminum oxide occurring naturally as corundum

ADVERTISEMENT

Sapphirenoun

(countable) A type of South American hummingbird (Chlorestes notata) also called blue-chinned sapphire.

‘The blue-chinned sapphire can be found many parts of South America, depending on season.’;

Sapphirenoun

Any of the butterflies in the southern Asian lycaenid genus Heliophorus

Sapphireadjective

of a deep blue colour.

Sapphireadjective

pertaining to a 45th year

Sapphirenoun

Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem.

‘Of rubies, sapphires, and of pearlés white.’;

Sapphirenoun

The color of the gem; bright blue.

ADVERTISEMENT

Sapphirenoun

Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.

Sapphireadjective

Of or resembling sapphire; sapphirine; blue.

Sapphirenoun

a precious transparent stone of rich blue corundum valued as a gemstone

Sapphirenoun

a transparent piece of sapphire that has been cut and polished and is valued as a precious gem

Sapphirenoun

a light shade of blue

Sapphireadjective

having the color of a blue sapphire;

‘sapphire eyes’;

ADVERTISEMENT

Sapphirenoun

a transparent precious stone, typically blue, which is a variety of corundum (aluminium oxide)

‘a sapphire ring’;

Sapphirenoun

a bright blue colour

‘the sapphire blue of the lake’; ‘there was the slightest flicker of light deep within his sapphire eyes’;

Sapphirenoun

a small hummingbird with shining blue or violet colours in its plumage and a short tail.

Sapphire

Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. It is typically blue, but natural sapphires also occur in yellow, purple, orange, and green colors; show two or more colors.

‘fancy’; ‘parti sapphires’;

Sapphire Illustrations

Alumina Illustrations

Popular Comparisons

Latest Comparisons

Trending Comparisons