Metamanganolites (gondites/coticules), once treated as iron formations, within gneisses - one of the occurrences close to the Sobotin gabbro-amphibolite massif.

The gneisses bear magnetite ores mined between the XVII and XIX centuries, and then in the XX century.

The gneiss sedimentary protolith is suggested to be synchronic with black smokers emanations that delivered manganese to it.

The local magnetite ore is by some treated as of a BIF type.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

13 valid minerals.

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

Mücke, A., Losos, Z. (2002) The genesis of the Precambrian so-called iron formations (Sydvanger type) within the gneiss of the Desná Dome, Hruby Jeseník Mountains, Czech Republic. Mineralogical Society of Poland - Special Papers: 20: 153-155.

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Kruťa T., Paděra K., Pouba Z., Sládek R. (1968): Die Mineralienparagenese in dem Mittleren Teile des Altvatergebirges (Hrubý Jesneík, Hohes Gesenke, ČSSR) II. Acta Musei Moraviae, Sci. nat., 53, 5-80.

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

References:

ⓘ 'Almandine-Spessartine Series'

References:

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

ⓘ 'Chlorite Group'

References:

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

References:

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

ⓘ Grossular

Formula: Ca₃Al₂(SiO₄)₃

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

ⓘ Magnesio-hornblende

Formula: ◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂

References:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

ⓘ Pyrite

Formula: FeS₂

References:

ⓘ Pyrophanite ?

Formula: Mn²⁺TiO₃

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

References:

ⓘ Tschermakite

Formula: ◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Pyrophanite ?	4.CB.05	Mn²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Tschermakite	9.DE.10	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Magnesio-hornblende	9.DE.10	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
ⓘ	Albite var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ		9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Almandine-Spessartine Series'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Pyrophanite	Mn²⁺TiO₃
O	ⓘ Quartz	SiO₂
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Quartz	SiO₂
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Pyrophanite	Mn²⁺TiO₃
Mn	Manganese
Mn	ⓘ Pyrophanite	Mn²⁺TiO₃
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂

Other Regions, Features and Areas containing this locality

Czech Republic

⭔Moravia (Mähren; Maehren)Historic County

CzechoslovakiaCountry

Eurasian PlateTectonic Plate

EuropeContinent

Bohemian MassifMassif
- SudetesMountain Range
Eastern SudetesMountain Range

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References

en.mapy.cz (n.d.) https://en.mapy.cz/zakladni?x=17.1380915&y=50.0490104&z=16&source=area&id=19963

Kruťa, T., Paděra, K., Pouba, Z., Sládek, R. (1968) Die Mineralienparagenese in dem Mittleren Teile des Altvatergebirges (Hrubý Jeseník, Hohes Gesenke, ČSSR) II. Acta Musei moraviae, Scientiae naturales: 53: 5-80.

Kropáč, K., Buriánek, D., & Zimák, J. (2012) Origin and metamorphic evolution of Fe–Mn-rich garnetites (coticules) in the Desná Unit (Silesicum, NE Bohemian Massif). Chemie Der Erde - Geochemistry: 72(3): 219–236; doi:10.1016/j.chemer.2011.11.002

Mücke, A., Losos, Z. (2014) The iron/manganese occurrences of the Desna Unit NE of the Sobotin Amphibolite Massif, Silesicum, Czech Republic: A reply to the paper of Kropac etal. (2012). Chemie der Erde - Geochemistry: 75(1); doi:10.1016/j.chemer.2014.08.001

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