a rare blue or bluish-green mineral that consists of magnesium aluminium silicate in monoclinic crystalline form and occurs as small grains in some metamorphic rocks
2.
a blue variety of spinel
adjective
3.
relating to or resembling sapphire
sapphirine in American English
(ˈsæfərɪn; ˈsæfəˌraɪn)
adjective
1.
of or like sapphire
noun
2.
a rare, blue or green, very hard, monoclinic mineral, (Mg,Al)8(Al,Si)6O20, found in some metamorphic rocks
Examples of 'sapphirine' in a sentence
sapphirine
After a moment his thunderous brows drew apart and his narrowed eyes resumed their usual look of sapphirine affability.
Elizabeth Peters HE SHALL THUNDER IN THE SKY (2000)