More generally ultramarine blue can refer to a vivid blue.
Ultramarine withstands heat, but azurite turns to black copper oxide.
The blue stripe, defined as ultramarinblau (ultramarine), is topmost.
The normal color of this stamp is a shade known as ultramarine.
The medal is suspended from a ribbon 35 mm in width in ultramarine blue.
The gemstone lapis lazuli and the mineral lazurite (from which the pigment ultramarine is derived) contain.
The blue was the extravagantly expensive ultramarine, whose fine grains gave it its brilliant colour.
Variants of the pigment ultramarine red, ultramarine green, ultramarine violet are known, and are based on similar chemistry and crystal structure.
