Group 4 - Oxides and Hydroxides
ⓘ	Hausmannite	4.BB.10	Mn²⁺Mn³⁺₂O₄
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
Group 9 - Silicates
ⓘ	Braunite	9.AG.05	Mn²⁺Mn³⁺₆(SiO₄)O₈
Unclassified
ⓘ	'Psilomelane'	-

List of minerals for each chemical element

O	Oxygen
O	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
O	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
O	ⓘ Pyrolusite	Mn⁴⁺O₂
Si	Silicon
Si	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Mn	Manganese
Mn	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Mn	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Tr%C3%B9ng_Kh%C3%A1nh_District
Wikidata ID:	Q7847960
GeoNames ID:	1905508

Localities in this Region

Vietnam

Cao Bằng Province
- Trùng Khánh District
  - Bang Ca Mn deposit
  - Toc Tat Mn deposit

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Trùng Khánh District, Cao Bằng Province, VietnamiRegional Level TypesTrùng Khánh DistrictDistrict Cao Bằng ProvinceProvince VietnamCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Localities in this Region

Trùng Khánh District, Cao Bằng Province, Vietnam i
Regional Level Types
Trùng Khánh District District
Cao Bằng Province Province
Vietnam Country