Noun
Strontium carbonate, a mineral of a white, greenish, or yellowish color, usually occurring in fibrous massive forms, but sometimes in prismatic crystals.
Source: Webster's dictionaryThe physician and mineral collector Friedrich Gabriel Sulzer analysed together with Johann Friedrich Blumenbach the mineral from Strontian and named it strontianite. Source: Internet
Rocks & Minerals (2010) 85-3:212 In the Silurian Lockport Group, Central and Western New York strontianite is observed in cavities in eastern Lockport, where it occurs as small white radiating sprays of acicular crystals. Source: Internet
Most strontianite phosphoresces a strong, medium duration, yellowish white after exposure to all three wavelengths. Source: Internet
The direction perpendicular to the plane containing the two optic axes is called the optical direction Y. In strontianite Y is parallel to the b crystal axis. Source: Internet