Min. [ad. Ger. and Sw. thulit: named by Ekeberg, 1820, f. TUULE: see -ITE1.] A rose-red variety of ZOISITE.
1820. Jameson, Syst. Min. (ed. 3), I. 134. The rare blue variety [of the Pyramidal Garnet] is found … in Tellemark, in Norway, along with a hard peach-blossom coloured mineral named Thulite.
1888. Rutley, Rock-Forming Min., 161. Thulite displays strong pleochroism.
