SAPPHIRINE
sapphirine
(adjective) made of or resembling sapphire
sapphirine
(noun) a rare light blue or green mineral; consists of aluminum and magnesium silicate and occurs as small grains in some metamorphic rocks
Source: WordNet® 3.1
Etymology
Noun
sapphirine (countable and uncountable, plural sapphirines)
(mineral) A rare silicate of magnesium and aluminium (with iron as a major impurity), named for its sapphirelike colour.
Adjective
sapphirine (comparative more sapphirine, superlative most sapphirine)
Of, pertaining to, or resembling sapphire
Source: Wiktionary
Sap"phir*ine, n.
Definition: Resembling sapphire; made of sapphire; having the color, or any
quality of sapphire. "Sapphirine degree of hardness." Boyle.
Source: Webster’s Unabridged Dictionary 1913 Edition