Syenite
Rock
About it
Looks like granite but has little or no quartz; mostly potassium feldspar with some hornblende or biotite. Named for Syene (Aswan) in Egypt, though the famous stone quarried there is actually granite.
- Type
- Rock (igneous)
- Group
- Igneous (plutonic)
- Specific gravity
- 2.6–2.95
- Colours
- pink, grey, white, red, green
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.