In 1967, British gem prospector and geologist Campbell R . Bridges discovered a deposit of green grossular in the mountains of north-east Tanzania in a place called Lemshuko, away from Komolo, the first village.
22.
It occurs with calcite, ettringite, wollastonite, larnite, brownmillerite, gehlenite, diopside, pyrrhotite, grossular, spinel, afwillite, jennite, portlandite, jasmundite, melilite, kalsilite and corundum in the limestone xenoliths.
23.
Both grossular and andradite are isotropic and have relatively high RIs ( ca . 1.74 and 1.89, respectively ) and high dispersions ( 0.027 and 0.057 ), with demantoid's exceeding diamond.
24.
The ugrandite garnets have Ca 2 + in the X position : uvarovite ( Ca 3 Cr 2 ( SiO 4 ) 3 ), grossular ( Ca 3 Al 2 ( SiO 4 ) 3 ) and andradite ( Ca 3 Fe 2 ( SiO 4 ) 3 ).
25.
Presiding Bishop Frank Grossular, the leader of the 2.3 million U . S . Episcopalians, said that the report " strove for a containment of differences, " and more than that was needed . " Unless we go beyond containment . . . we will do a disservice to our mission, " he said.
