Iodargyrite
Mineral AgI
Also called Iodyrite
About it
Soft yellow hexagonal plates and crusts of silver iodide in dry oxidized silver ores. Notable from Broken Hill, New South Wales.
- Type
- Mineral
- Group
- Halide
- Formula
- AgI
- Hardness (Mohs)
- 1–1.5
- Specific gravity
- 5.6–5.7
- Streak
- yellow
- Lustre
- resinous, adamantine (diamond-like)
- Crystal system
- Hexagonal
- Colours
- colourless, yellow, greenish yellow
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect basal
Typical values: real specimens vary. For more, see mindat.org.