Chemistry:Sussexite
From HandWiki
| Sussexite | |
|---|---|
 Sussexite from Mine Hill, New Jersey | |
| General | |
| Category | Nesoborates |
| Formula (repeating unit) | MnBO2(OH) |
| Strunz classification | 6.BA.15 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P21/c |
| Identification | |
| Color | White to buff, lilac/lavender,[1] pale pink, colorless in transmitted light[1] |
| Crystal habit | As bladed acicular crystals, to 7 mm; cross-vein or radial fibrous, in felted or matted aggregates, nodular.[1] |
| |re|er}} | Silky, dull(earthy)[1] |
| Specific gravity | 3.30 |
Sussexite is a manganese borate mineral MnBO2(OH). Crystals are monoclinic prismatic and typically fibrous in occurrence. Colour is white, pink, yellowish white with a pearly lustre. It has a Mohs hardness of 3 and a specific gravity of 3.12.[3]
It is named after the Franklin Mining District in Sussex County, New Jersey, US where it was first discovered in 1868.
Sussexite also occurs in France , Italy, Namibia, North Korea, South Africa , Switzerland , and the US states of Michigan, New Jersey, Utah and Virginia.
References
- ↑ 1.0 1.1 1.2 1.3 Gemdat.org
- ↑ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode: 2021MinM...85..291W.
- ↑ Webmineral data
External links
 |  |
