Description: "The actinolite from Challes has been analysed by electronic microprobe by Schreyer and Abraham (1978) who underline the variability of its chemical composition." (Hatert et al., 2002)

Reference: Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie, 55, Beiheft 2, 75-103.; Schreyer, W., Abraham, K. (1978) Prehnite/chlorite and actinolite/epidote bearing assemblages in the metamorphic igneous rock of the Helle and Challes, Venn-Stavelot Massif, Belgium. Annales de la Société géologique de Belgique, 101, 227.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Albite

Formula: Na(AlSi₃O₈)

Habit: crystals rarely over 1mm, flattened according to {010}, frequently twinned (Carlsbad twins occur but are rare)

Reference: Cesàro, G. (1887) L'albite de Challes. Annales de la Société géologique de Belgique, 14, CXXXVI.; Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie, 55, Beiheft 2, 75-103.; Schreyer, W., Abraham, K. (1978) Prehnite/chlorite and actinolite/epidote bearing assemblages in the metamorphic igneous rock of the Helle and Challes, Venn-Stavelot Massif, Belgium. Annales de la Société géologique de Belgique, 101, 227.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Bornite

Formula: Cu₅FeS₄

Reference: Mélon, J., Bourguignon, P., Fransolet, A.-M. (1976) Les minéraux de Belgique. Editions G. Lelotte, Dison (Belgique), 283 pages.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Calcite

Formula: CaCO₃

Reference: Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie, 55, Beiheft 2, 75-103.

ⓘ Chalcopyrite

Formula: CuFeS₂

ⓘ 'Chlorite Group'

ⓘ Epidote

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

Reference: Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie, 55, Beiheft 2, 75-103.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Gold

Formula: Au

Reference: Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Hematite

Formula: Fe₂O₃

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Reference: - Fransolet, A.M., Kramm, U., Schreyer, W. (1977): Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen, Fortschritte der Mineralogie, Vol. 55, Beiheft 2, pp.: 75-103

ⓘ 'Leucoxene'

Reference: - Fransolet, A.M., Kramm, U., Schreyer, W. (1977): Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen, Fortschritte der Mineralogie, Vol. 55, Beiheft 2, pp.: 75-103

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Reference: - Fransolet, A.M., Kramm, U., Schreyer, W. (1977): Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen, Fortschritte der Mineralogie, Vol. 55, Beiheft 2, pp.: 75-103

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

ⓘ Pyrrhotite

Formula: Fe_1-xS

ⓘ Quartz

Formula: SiO₂

Reference: Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie, 55, Beiheft 2, 75-103.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

ⓘ Titanite

Formula: CaTi(SiO₄)O

Reference: Schreyer, W., Abraham, K. (1978) Prehnite/chlorite and actinolite/epidote bearing assemblages in the metamorphic igneous rock of the Helle and Challes, Venn-Stavelot Massif, Belgium. Annales de la Société géologique de Belgique, 101, 227.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 9 - Silicates
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
Unclassified Minerals, Rocks, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'Leucoxene'	-
ⓘ	'Pyroxene Group'	-	ADSi₂O₆

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	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Quartz	SiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Titanite	CaTi(SiO₄)O
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Al	Aluminium
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Albite	Na(AlSi₃O₈)
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Pyroxene Group	ADSi₂O₆
Si	ⓘ Titanite	CaTi(SiO₄)O
S	Sulfur
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
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	ⓘ Calcite	CaCO₃
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Hematite	Fe₂O₃
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Au	Gold
Au	ⓘ Gold	Au

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Cesàro, G. (1887) L'albite de Challes. Annales de la Société géologique de Belgique: 14: CXXXVI-CXLII (B136-B142). https://www.biodiversitylibrary.org/item/242322#page/174/mode/1up

Schreyer, W., Abraham, K. (1978) Prehnite/chlorite and actinolite/epidote bearing assemblages in the metamorphic igneous rocks of La Helle and Challes, Venn-Stavelot Massif, Belgium. Annales de la Société géologique de Belgique: 101: 227-241. https://popups.uliege.be/0037-9395/index.php?id=4500&file=1&pid=4489

Mélon, J., Bourguignon, P., Fransolet, A.-M. (1976) Les minéraux de Belgique. Editions G. Lelotte, Dison (Belgique), 283 pages.

Fransolet, A.M., Kramm, U., Schreyer, W. (1977) Metamorphose und Magmatismus im Venn-Stavelot-Massiv, Ardennen. Fortschritte der Mineralogie: 55(Beiheft 2): 75-103.

Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).

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Wikipedia:	https://fr.wikipedia.org/wiki/Challes_(Stavelot)
Wikidata ID:	Q20970998

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Challes, Stavelot, Liège, Wallonia, BelgiumiRegional Level TypesChallesHamlet StavelotMunicipality LiègeProvince WalloniaRegion BelgiumCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); } Challes, Stavelot Massif, Rhenish Massif, Europe

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List of minerals arranged by Strunz 10th Edition classification

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Challes, Stavelot Massif, Rhenish Massif, Europe