Bromargyrite
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| Bromargyrite | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Bromargyrite with silver – San Onofre, Mexico. | |
| General | |
| Category | Halide minerals |
| Formula | AgBr |
| Strunz classification | 3.AA.15 |
| Crystal system | Isometric |
| Crystal class | Hexoctahedral (m3m) H-M symbol (4/m 3 2/m) |
| Space group | Fm3m |
| Unit cell | a = 5.7745 Å; Z = 4 |
| Identification | |
| Color | Yellowish, greenish brown, bright green |
| Cleavage | None observed |
| Fracture | Irregular/uneven, sub-conchoidal |
| Tenacity | Sectile |
| Mohs scale hardness | Page Template:Fraction/styles.css has no content.2+1⁄2 |
| Luster | Adamantine, resinous, waxy |
| Streak | White to yellowish white |
| Diaphaneity | Transparent, translucent |
| Specific gravity | 6.474 |
| Optical properties | Isotropic |
| Refractive index | n = 2.253 |
| Birefringence | δ = 0.000 |
| References | [1][2][3] |
Bromyrite or bromargyrite[4] is a natural mineral form of silver bromide[4] found mainly in Mexico and Chile. Hardness is 1.5 to 2. Related are chlorargyrite and iodyrite.
It was first described in 1859 for an occurrence in Plateros, Zacatecas, Mexico where it occurred in a silver deposit as an oxidation product of primary ore minerals.[1] It occurs in arid environments along with native silver, iodargyrite and smithsonite along with iron and manganese oxide minerals.[3]
References
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- ^ a b Mindat page for bromargyrite
- ^ Webmineral page for bromargyrite
- ^ a b Handbook of Mineralogy
- ^ a b Page Module:Citation/CS1/styles.css has no content."Definition of BROMYRITE". www.merriam-webster.com. Retrieved 2023-01-20.
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