Bromargyrite
Mineral AgBr
Also called Bromyrite
Take care.
- Fades or changes in light: Keep it in the dark, out of sunlight and bright display lights.
About it
Yellowish, waxy silver bromide that cuts like horn and darkens in light, in the dry oxidized zones of silver deposits such as those of Chile and Mexico.
- Type
- Mineral
- Group
- Halide, halite group
- Formula
- AgBr
- Hardness (Mohs)
- 1–2
- Specific gravity
- 5.8–6.5
- Streak
- pale yellow
- Lustre
- resinous, adamantine (diamond-like)
- Crystal system
- Isometric (cubic)
- Colours
- bright yellow, greenish yellow, brownish yellow
- Transparency
- transparent, translucent
- Cleavage and fracture
- none; uneven fracture, sectile
Typical values: real specimens vary. For more, see mindat.org.