Shortite
Mineral Na2Ca2(CO3)3
About it
Pale yellow, wedge-shaped crystals scattered through the oil shales of Wyoming's Green River Formation. Named for American mineralogist Maxwell Short.
- Type
- Mineral
- Group
- Carbonate
- Formula
- Na2Ca2(CO3)3
- Hardness (Mohs)
- 3
- Specific gravity
- 2.6
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Orthorhombic
- Colours
- colourless, pale yellow
- Transparency
- transparent, translucent
- Cleavage and fracture
- distinct in one direction; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.