Grossite
CaAl4O7 [CNMNC approved formula]
Named for Shulamit Gross (1923- ), Geological Survey of Israel, Jerusalem, Israel, who noted the species in the Hatrurim Formation, Israel.
IMA status : | Approved Species 1994 () |
CLASSIFICATION | |
Dana (8th edition) : |
07.03.02.01 |
(07) Multiple Oxides | |
(07.03) with 2+ and higher charged cations | |
(07.03.02) | |
Nickel-Strunz (10th edition) : |
04.CC.15 |
(04) Oxides and Hydroxides | |
(04.C) Metal:Oxygen = 2:3, 3:5, and Similar | |
(04.CC) With large and medium-sized cations | |
Crystal system: | Monoclinic System |
Point group (H-M): | 2/m — prismatic |