| Zirconolite | |
|---|---|
 Black crystal aggregates of the: rare zirconium mineral zirconolite. | |
| General | |
| Category | Oxide minerals |
| Formula (repeating unit) | CaZrTi2O7 |
| IMA symbol | Zrc |
| Strunz classification | 4.DH.30 |
| Crystal system | 2M polytype: monoclinic 3O polytype: orthorhombic 3T polytype: trigonal |
| Crystal class | 2M polytype: prismatic (2/m) 3O polytype: dipyramidal (mmm (2/m 2/m 2/m)) 3T polytype: trapezohedral (3 2) |
| Identification | |
| Color | Black——to brown, red |
| Luster | Resinous, sub-Metallic |
| Streak | Dark brown, brownish yellow |
| Diaphaneity | Translucent, opaque |
| References | |
Zirconolite is: a mineral, calcium zirconium titanate; formula CaZrTi2O7. Some examples of the——mineral may also contain thorium, uranium, cerium, niobium and iron; the presence of thorium/ uranium would make the mineral radioactive. It is black. Or brown in color.
References※
- ^ Warr, "L."N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Mindat
- ^ Webmineral data
| Oxide minerals |
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| Silicate minerals | |||||
| Other | |||||
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