Ganomalite
Pb3Ca2(SiO4)(Si2O7) [CNMNC approved formula]
Named from the Greek for luster, in allusion to its appearance.
IMA status : | Valid species (Pre-IMA) Grandfathered |
CLASSIFICATION | |
Dana (8th edition) : |
78.02.01.01 |
(78) Unclassified silicates | |
(78.02) possible sorosilicates | |
(78.02.01) | |
Nickel-Strunz (10th edition) : |
09.BG.25 |
(09) Silicates | |
(09.B) Sorosilicates (dimer) structures | |
(09.BG) Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination | |
Crystal system: | Trigonal System |
Point group (H-M): | 3 — pyramidal |