Helen's Reef, Scotland, UK i
Regional Level Types
Helen's Reef Reef
Scotland Country
UK Country

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	var. Bytownite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
Unclassified
ⓘ	'Chlorite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	Oxygen
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Spinel	MgAl₂O₄
Na	Sodium
Na	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Spinel	MgAl₂O₄
Al	Aluminium
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Spinel	MgAl₂O₄
Si	Silicon
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	Potassium
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄

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Wikipedia:	https://en.wikipedia.org/wiki/Helen%27s_Reef
Wikidata ID:	Q971030

Other Regions, Features and Areas containing this locality

Atlantic OceanOcean

Eurasian PlateTectonic Plate

North European Rifted MarginPassive Margin

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References

Harrison, R. K. - Ed. (1975) Expeditions to Rockall 1971-72. Report Vol. 7 (75/01) Institute of Geological Sciences

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

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References

Helen's Reef, Scotland, UK i
Regional Level Types
Helen's Reef Reef
Scotland Country
UK Country