Chauris L. (1997), Les sables noirs à ilménite et magnétite de la baie de Saint-Brieuc en Bretagne septentrionale, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 19, (2), pp. 84-95.

ⓘ 'Andorite'

Formula: AgPbSb₃S₆

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.81

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Localities: Reported from at least 6 localities in this region.

ⓘ Arsenopyrite

Formula: FeAsS

Localities:

Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Autunite

Formula: Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

BILAN ENVIRONNEMENTAL (2014) Sites miniers de la Bretagne Départements des Côtes d’Armor, du Finistère et du Morbihan

ⓘ Baryte

Formula: BaSO₄

Locality: La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Description: Yellowish/orange cubic microcrystals (pseudomorphous).

References:

Devismes, P. (1978) Atlas photographique des minéraux d'alluvions. Mémoires du BRGM, no. 95.

ⓘ Billietite

Formula: Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O

Localities:

Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ 'Biotite'

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

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Bismuthinite

Formula: Bi₂S₃

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.40

ⓘ Bornite

Formula: Cu₅FeS₄

Locality: Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1975) Inventaire minéralogique de la France - Côtes-du-Nord (22) - Inventaire minéralogique de la France No. 5. Editions du BRGM.pp.186-188

ⓘ Bournonite

Formula: PbCuSbS₃

Localities:

Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Calcite

Formula: CaCO₃

Locality: Cartravers, La Harmoye, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.145

ⓘ Cassiterite

Formula: SnO₂

Localities:

L’Hôtellerie beach alluvials, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Port Morvan beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Ville Berneuf beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities: Reported from at least 8 localities in this region.

ⓘ 'Chlorite Group'

Localities:

Bara quarry, Allineuc, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Bas-Vallon, L'Hermitage-Lorge, Plœuc-L'Hermitage, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Locality: River alluvials, Plédran, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.91

ⓘ Connellite

Formula: Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O

Locality: Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierre Le Roch CollectionIdentified by Jean-Marc Johannet: Visual Identification

ⓘ Corundum

Formula: Al₂O₃

Localities:

Le Port Morvan beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Ville Berneuf beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Cosalite

Formula: Pb₂Bi₂S₅

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.40

ⓘ Covellite

Formula: CuS

Localities:

Bosméléac, Merléac, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Bas-Vallon, L'Hermitage-Lorge, Plœuc-L'Hermitage, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Butte St-Michel, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Crandallite

Formula: CaAl₃(PO₄)(PO₃OH)(OH)₆

Locality: N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Boisson, J.-M. & Leconte, J. (2012) Bilan des analyses 2010-2011, La revue des Micromonteurs, 17, 3-32.

ⓘ Cubanite

Formula: CuFe₂S₃

Locality: Bosméléac, Merléac, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.62

ⓘ Cummingtonite

Formula: ◻Mg₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Cuprite

Formula: Cu₂O

Locality: La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Description: In eluvium.

References:

Devismes, P. (1978) Atlas photographique des minéraux d'alluvions. Mémoires du BRGM, no. 95.

ⓘ Dewindtite

Formula: H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

(1998) La Radioactivité et les Minéraux Uranifères Français. Le Règne Minéral - Hors Série 4. Les Éditions du Piat

ⓘ Elyite

Formula: Pb₄Cu(SO₄)O₂(OH)₄ · H₂O

Locality: Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierre Le Roch CollectionIdentified by Jean-Marc Johannet: Visual Identification

ⓘ Epidote

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

Localities: Reported from at least 11 localities in this region.

ⓘ 'Fayalite-Forsterite Series'

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Ferberite

Formula: FeWO₄

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.165

ⓘ Fluorite

Formula: CaF₂

Locality: Trégueux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.86

ⓘ Galena

Formula: PbS

Localities: Reported from at least 6 localities in this region.

ⓘ Galena var. Silver-bearing Galena

Formula: PbS with Ag

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Lukas, Yann (1978) Roches et minéraux de Bretagne. Ouest France. p.1-33.p.9

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Localities: Reported from at least 12 localities in this region.

ⓘ Goethite

Formula: Fe³⁺O(OH)

Localities:

Ile de la Comtesse beach alluvial deposits, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Lermot, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Carberon, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Graphite

Formula: C

Localities:

Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Les Houssas, La Poterie, Lamballe, Lamballe-Armor, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Cosquer, Lamballe, Lamballe-Armor, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Bas-Vallon, L'Hermitage-Lorge, Plœuc-L'Hermitage, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Maroué, Lamballe, Lamballe-Armor, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Gudmundite

Formula: FeSbS

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.78

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Bas-Vallon, L'Hermitage-Lorge, Plœuc-L'Hermitage, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.159

ⓘ Halotrichite

Formula: Fe²⁺Al₂(SO₄)₄ · 22H₂O

Locality: N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierre Le Roch

ⓘ Hematite

Formula: Fe₂O₃

Localities:

Ile de la Comtesse beach alluvial deposits, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Bas-Vallon, L'Hermitage-Lorge, Plœuc-L'Hermitage, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Lermot, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Hübnerite

Formula: MnWO₄

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.165

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Gabbro-diorite intrusion, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities: Reported from at least 11 localities in this region.

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

Locality: Kerfouleu, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.162

ⓘ 'Joséite'

Formula: Bi₄TeS₂

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.83

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Plémet, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Lukas, Yann (1978) Roches et minéraux de Bretagne. Ouest France. p.1-33.p.30

ⓘ Kobellite

Formula: Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.40

ⓘ Kyanite

Formula: Al₂(SiO₄)O

Localities:

L’Hôtellerie beach alluvials, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Port Morvan beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Ville Berneuf beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Saint-Laurent-de-la-Mer beach alluvials, Plérin, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ 'Limonite'

Localities: Reported from at least 8 localities in this region.

ⓘ Linarite

Formula: PbCu(SO₄)(OH)₂

Locality: Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1975) Inventaire minéralogique de la France - Côtes-du-Nord (22) - Inventaire minéralogique de la France No. 5. Editions du BRGM.pp.186-188

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.162

ⓘ Mackinawite

Formula: FeS

Localities:

Bosméléac, Merléac, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities: Reported from at least 16 localities in this region.

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.96

ⓘ Marcasite

Formula: FeS₂

Localities:

Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Plessis d'en Haut, Trédaniel, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ 'Melnikovite'

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.58

ⓘ 'Monazite Group'

Formula: REE(PO₄)

Localities: Reported from at least 6 localities in this region.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Maroué, Lamballe, Lamballe-Armor, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.43

ⓘ Native Bismuth

Formula: Bi

Locality: Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.40

ⓘ Native Copper

Formula: Cu

Localities:

Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Native Gold

Formula: Au

Localities:

Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Tiernez, Loudéac, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Launay Grésillon, Loudéac, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Bois Chef d'Ane, Collinée, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Native Gold var. Electrum

Formula: (Au,Ag)

Locality: Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.37

ⓘ Native Silver

Formula: Ag

Localities:

Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Saint-Lubin, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Bibinger, G. et Lysiak, J.-L.(2014) - L'opale noire de Saint-Lubin, Plémet, Côtes-D'Armor. Le Règne Minéral, 120, pp. 54-55, editions du Piat.

ⓘ Parsonsite

Formula: Pb₂(UO₂)(PO₄)₂

Locality: Le Plessis d'en Haut, Trédaniel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

(1998) La Radioactivité et les Minéraux Uranifères Français. Le Règne Minéral - Hors Série 4. Les Éditions du Piat

ⓘ Pearceite

Formula: [Ag₆As₂S₇][Ag₉CuS₄]

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.81

ⓘ 'Petrified Wood'

Locality: Saint-Jacut-du-Mené, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.115

ⓘ Polybasite

Formula: [Ag₆Sb₂S₇][Ag₉CuS₄]

Locality: Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.80

ⓘ Powellite var. Tungsten-powellite

Formula: Ca(Mo,W)O₄

Locality: Alluvial deposits, Corlay, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Description: Yellowish grains of molybden-rich scheelite.

References:

Devismes, P. (1978) Atlas photographique des minéraux d'alluvions. Mémoires du BRGM, no. 95.

ⓘ Pyrite

Formula: FeS₂

Localities: Reported from at least 20 localities in this region.

ⓘ Pyrrhotite

Formula: Fe_1-xS

Localities: Reported from at least 6 localities in this region.

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 6 localities in this region.

ⓘ Rutile

Formula: TiO₂

Localities: Reported from at least 12 localities in this region.

ⓘ Scheelite

Formula: Ca(WO₄)

Localities:

Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Bois Hardy, Bréhand, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kerfouleu, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Fonteny beach alluvials, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Serpierite

Formula: Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O

Locality: Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierre Le Roch CollectionIdentified by Jean-Marc Johannet: Visual Identification

ⓘ Siderite

Formula: FeCO₃

Localities:

La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Le Pouldu, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Plérin, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Description: Botryoidal aggregates in eluvium.

ⓘ Sillimanite

Formula: Al₂(SiO₄)O

Locality: L’Hôtellerie beach alluvials, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

ⓘ Sphalerite

Formula: ZnS

Localities:

Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Stannite

Formula: Cu₂FeSnS₄

Localities:

Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Staurolite

Formula: Fe²⁺₂Al₉Si₄O₂₃(OH)

Localities: Reported from at least 8 localities in this region.

ⓘ 'Tetrahedrite Group'

Formula: ^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)

Localities:

Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France
La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

Locality: La Porte-aux-Moines, Saint-Martin-des-Prés, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: Ile de la Comtesse beach alluvial deposits, Saint-Quay-Portrieux, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1975) Inventaire minéralogique de la France - Côtes-du-Nord (22) - Inventaire minéralogique de la France No. 5. Editions du BRGM.pp.158-159

ⓘ Torbernite

Formula: Cu(UO₂)₂(PO₄)₂ · 12H₂O

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

BILAN ENVIRONNEMENTAL (2014) Sites miniers de la Bretagne Départements des Côtes d’Armor, du Finistère et du Morbihan

ⓘ 'Tourmaline'

Formula: AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z

Localities: Reported from at least 6 localities in this region.

ⓘ Ulvöspinel

Formula: TiFe²⁺₂O₄

Locality: La Houssaye point, Erquy, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.91

ⓘ Uraninite

Formula: UO₂

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

BILAN ENVIRONNEMENTAL (2014) Sites miniers de la Bretagne Départements des Côtes d’Armor, du Finistère et du Morbihan

ⓘ Uraninite var. Pitchblende

Formula: UO₂

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

BILAN ENVIRONNEMENTAL (2014) Sites miniers de la Bretagne Départements des Côtes d’Armor, du Finistère et du Morbihan

ⓘ Uranocircite

Formula: Ba(UO₂)₂(PO₄)₂ · 10H₂O

Locality: Le Plessis d'en Haut, Trédaniel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

(1998) La Radioactivité et les Minéraux Uranifères Français. Le Règne Minéral - Hors Série 4. Les Éditions du Piat

ⓘ Uranophane

Formula: Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

Locality: Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

BILAN ENVIRONNEMENTAL (2014) Sites miniers de la Bretagne Départements des Côtes d’Armor, du Finistère et du Morbihan

ⓘ Vivianite

Formula: Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O

Locality: Le Pouldu, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.151

ⓘ Voglite

Formula: Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O

Localities:

Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Clos Méchain, Le Gouray, Le Mené, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Wavellite

Formula: Al₃(PO₄)₂(OH)₃ · 5H₂O

Locality: N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

References:

Pierre Le Roch

ⓘ 'Wolframite Group'

Localities:

Kerfouleu, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Kervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France

ⓘ Zircon

Formula: Zr(SiO₄)

Localities: Reported from at least 11 localities in this region.

Gallery:

Pb₄Cu(SO₄)O₂(OH)₄ · H₂Oⓘ Elyite

Elyite

Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Elyite

Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Elyite

Silver mine slag locality, Trémuson, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Fe²⁺Al₂(SO₄)₄ · 22H₂Oⓘ Halotrichite

Halotrichite

N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Halotrichite

N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Halotrichite

N164 By-pass, Caurel, Saint-Brieuc, Côtes-d'Armor, Brittany, France

SiO₂ⓘ Quartz

Quartz, etc.

Bara quarry, Allineuc, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Quartz, etc.

Bara quarry, Allineuc, Saint-Brieuc, Côtes-d'Armor, Brittany, France

Quartz, etc.

Bara quarry, Allineuc, Saint-Brieuc, Côtes-d'Armor, Brittany, France

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Gold var. Electrum	1.AA.05	(Au,Ag)
ⓘ		1.AA.05	Au
ⓘ	Native Silver	1.AA.05	Ag
ⓘ	Native Bismuth	1.CA.05	Bi
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Stannite	2.CB.15a	Cu₂FeSnS₄
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Mackinawite	2.CC.25	FeS
ⓘ	Galena	2.CD.10	PbS
ⓘ	var. Silver-bearing Galena	2.CD.10	PbS with Ag
ⓘ	Bismuthinite	2.DB.05	Bi₂S₃
ⓘ	'Joséite'	2.DC.05	Bi₄TeS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Gudmundite	2.EB.20	FeSbS
ⓘ	Bournonite	2.GA.50	PbCuSbS₃
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
ⓘ	Pearceite	2.GB.15	[Ag₆As₂S₇][Ag₉CuS₄]
ⓘ	Polybasite	2.GB.15	[Ag₆Sb₂S₇][Ag₉CuS₄]
ⓘ	Aikinite	2.HB.05a	CuPbBiS₃
ⓘ	Kobellite	2.HB.10a	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
ⓘ	Cosalite	2.JB.10	Pb₂Bi₂S₅
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
ⓘ	Connellite	3.DA.25	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
Group 4 - Oxides and Hydroxides
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Ulvöspinel	4.BB.05	TiFe²⁺₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Ferberite	4.DB.30	FeWO₄
ⓘ	Hübnerite	4.DB.30	MnWO₄
ⓘ	'Wolframite Group'	4.DB.30 va
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Uraninite var. Pitchblende	4.DL.05	UO₂
ⓘ		4.DL.05	UO₂
ⓘ	Goethite	4.FD.10	Fe³⁺O(OH)
ⓘ	Billietite	4.GB.10	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Voglite	5.EE.05	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	Linarite	7.BC.65	PbCu(SO₄)(OH)₂
ⓘ	Halotrichite	7.CB.85	Fe²⁺Al₂(SO₄)₄ · 22H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Serpierite	7.DD.30	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
ⓘ	Elyite	7.DF.65	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
ⓘ	Powellite var. Tungsten-powellite	7.GA.05	Ca(Mo,W)O₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Crandallite	8.BL.10	CaAl₃(PO₄)(PO₃OH)(OH)₆
ⓘ	Vivianite	8.CE.40	Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O
ⓘ	Wavellite	8.DC.50	Al₃(PO₄)₂(OH)₃ · 5H₂O
ⓘ	Parsonsite	8.EA.10	Pb₂(UO₂)(PO₄)₂
ⓘ	Autunite	8.EB.05	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
ⓘ	Torbernite	8.EB.05	Cu(UO₂)₂(PO₄)₂ · 12H₂O
ⓘ	Uranocircite	8.EB.05	Ba(UO₂)₂(PO₄)₂ · 10H₂O
ⓘ	Dewindtite	8.EC.10	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Sillimanite	9.AF.05	Al₂(SiO₄)O
ⓘ	Andalusite	9.AF.10	Al₂(SiO₄)O
ⓘ	Kyanite	9.AF.15	Al₂(SiO₄)O
ⓘ	Staurolite	9.AF.30	Fe²⁺₂Al₉Si₄O₂₃(OH)
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Uranophane	9.AK.15	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Cummingtonite	9.DE.05	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Andorite'	-	AgPbSb₃S₆
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'Limonite'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Melnikovite'	-
ⓘ	'Petrified Wood'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Tetrahedrite Group'	-	^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
H	ⓘ Billietite	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Connellite	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
H	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
H	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Dewindtite	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
H	ⓘ Elyite	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Linarite	PbCu(SO₄)(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
H	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
H	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
H	ⓘ Uranocircite	Ba(UO₂)₂(PO₄)₂ · 10H₂O
H	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
H	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
H	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
H	ⓘ Wavellite	Al₃(PO₄)₂(OH)₃ · 5H₂O
B	Boron
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Graphite	C
C	ⓘ Siderite	FeCO₃
C	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅(T₈O₂₂)W₂
O	ⓘ Anatase	TiO₂
O	ⓘ Andalusite	Al₂(SiO₄)O
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
O	ⓘ Baryte	BaSO₄
O	ⓘ Billietite	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Cassiterite	SnO₂
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Connellite	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
O	ⓘ Corundum	Al₂O₃
O	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
O	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Cuprite	Cu₂O
O	ⓘ Dewindtite	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
O	ⓘ Elyite	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Ferberite	FeWO₄
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Hübnerite	MnWO₄
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Kyanite	Al₂(SiO₄)O
O	ⓘ Linarite	PbCu(SO₄)(OH)₂
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Parsonsite	Pb₂(UO₂)(PO₄)₂
O	ⓘ Uraninite var. Pitchblende	UO₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Scheelite	Ca(WO₄)
O	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
O	ⓘ Siderite	FeCO₃
O	ⓘ Sillimanite	Al₂(SiO₄)O
O	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Ulvöspinel	TiFe₂²⁺O₄
O	ⓘ Uraninite	UO₂
O	ⓘ Uranocircite	Ba(UO₂)₂(PO₄)₂ · 10H₂O
O	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
O	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
O	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
O	ⓘ Wavellite	Al₃(PO₄)₂(OH)₃ · 5H₂O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Powellite var. Tungsten-powellite	Ca(Mo,W)O₄
O	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Apatite	Ca₅(PO₄)₃A
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorite	CaF₂
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Andalusite	Al₂(SiO₄)O
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Kyanite	Al₂(SiO₄)O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Sillimanite	Al₂(SiO₄)O
Al	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Al	ⓘ Wavellite	Al₃(PO₄)₂(OH)₃ · 5H₂O
Al	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Si	Silicon
Si	ⓘ Andalusite	Al₂(SiO₄)O
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Kyanite	Al₂(SiO₄)O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sillimanite	Al₂(SiO₄)O
Si	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
P	Phosphorus
P	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
P	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
P	ⓘ Dewindtite	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Parsonsite	Pb₂(UO₂)(PO₄)₂
P	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
P	ⓘ Uranocircite	Ba(UO₂)₂(PO₄)₂ · 10H₂O
P	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
P	ⓘ Wavellite	Al₃(PO₄)₂(OH)₃ · 5H₂O
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Aikinite	CuPbBiS₃
S	ⓘ Andorite	AgPbSb₃S₆
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Bismuthinite	Bi₂S₃
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Bournonite	PbCuSbS₃
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Connellite	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
S	ⓘ Cosalite	Pb₂Bi₂S₅
S	ⓘ Covellite	CuS
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Elyite	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
S	ⓘ Galena	PbS
S	ⓘ Gudmundite	FeSbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Joséite	Bi₄TeS₂
S	ⓘ Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
S	ⓘ Linarite	PbCu(SO₄)(OH)₂
S	ⓘ Mackinawite	FeS
S	ⓘ Marcasite	FeS₂
S	ⓘ Pearceite	[Ag₆As₂S₇][Ag₉CuS₄]
S	ⓘ Polybasite	[Ag₆Sb₂S₇][Ag₉CuS₄]
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
S	ⓘ Sphalerite	ZnS
S	ⓘ Stannite	Cu₂FeSnS₄
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
S	ⓘ Galena var. Silver-bearing Galena	PbS with Ag
S	ⓘ Tetrahedrite Group	^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)
Cl	Chlorine
Cl	ⓘ Connellite	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Scheelite	Ca(WO₄)
Ca	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Ca	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
Ca	ⓘ Powellite var. Tungsten-powellite	Ca(Mo,W)O₄
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Ulvöspinel	TiFe₂²⁺O₄
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Mn	Manganese
Mn	ⓘ Hübnerite	MnWO₄
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ferberite	FeWO₄
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Gudmundite	FeSbS
Fe	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Mackinawite	FeS
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Stannite	Cu₂FeSnS₄
Fe	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Ulvöspinel	TiFe₂²⁺O₄
Fe	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
Fe	ⓘ Fayalite-Forsterite Series
Cu	Copper
Cu	ⓘ Aikinite	CuPbBiS₃
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Bournonite	PbCuSbS₃
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Connellite	Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O
Cu	ⓘ Covellite	CuS
Cu	ⓘ Cubanite	CuFe₂S₃
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Elyite	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
Cu	ⓘ Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
Cu	ⓘ Linarite	PbCu(SO₄)(OH)₂
Cu	ⓘ Pearceite	[Ag₆As₂S₇][Ag₉CuS₄]
Cu	ⓘ Polybasite	[Ag₆Sb₂S₇][Ag₉CuS₄]
Cu	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
Cu	ⓘ Stannite	Cu₂FeSnS₄
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Cu	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
Cu	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O
Zn	Zinc
Zn	ⓘ Serpierite	Ca(Cu,Zn)₄(SO₄)₂(OH)₆ · 3H₂O
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Pearceite	[Ag₆As₂S₇][Ag₉CuS₄]
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Mo	Molybdenum
Mo	ⓘ Powellite var. Tungsten-powellite	Ca(Mo,W)O₄
Ag	Silver
Ag	ⓘ Andorite	AgPbSb₃S₆
Ag	ⓘ Native Gold var. Electrum	(Au,Ag)
Ag	ⓘ Pearceite	[Ag₆As₂S₇][Ag₉CuS₄]
Ag	ⓘ Polybasite	[Ag₆Sb₂S₇][Ag₉CuS₄]
Ag	ⓘ Native Silver	Ag
Ag	ⓘ Galena var. Silver-bearing Galena	PbS with Ag
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Sn	ⓘ Stannite	Cu₂FeSnS₄
Sb	Antimony
Sb	ⓘ Andorite	AgPbSb₃S₆
Sb	ⓘ Bournonite	PbCuSbS₃
Sb	ⓘ Gudmundite	FeSbS
Sb	ⓘ Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
Sb	ⓘ Polybasite	[Ag₆Sb₂S₇][Ag₉CuS₄]
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Te	Tellurium
Te	ⓘ Joséite	Bi₄TeS₂
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Billietite	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O
Ba	ⓘ Uranocircite	Ba(UO₂)₂(PO₄)₂ · 10H₂O
W	Tungsten
W	ⓘ Ferberite	FeWO₄
W	ⓘ Hübnerite	MnWO₄
W	ⓘ Scheelite	Ca(WO₄)
W	ⓘ Powellite var. Tungsten-powellite	Ca(Mo,W)O₄
Au	Gold
Au	ⓘ Native Gold var. Electrum	(Au,Ag)
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Aikinite	CuPbBiS₃
Pb	ⓘ Andorite	AgPbSb₃S₆
Pb	ⓘ Bournonite	PbCuSbS₃
Pb	ⓘ Cosalite	Pb₂Bi₂S₅
Pb	ⓘ Dewindtite	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
Pb	ⓘ Elyite	Pb₄Cu(SO₄)O₂(OH)₄ · H₂O
Pb	ⓘ Galena	PbS
Pb	ⓘ Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
Pb	ⓘ Linarite	PbCu(SO₄)(OH)₂
Pb	ⓘ Parsonsite	Pb₂(UO₂)(PO₄)₂
Pb	ⓘ Galena var. Silver-bearing Galena	PbS with Ag
Bi	Bismuth
Bi	ⓘ Aikinite	CuPbBiS₃
Bi	ⓘ Native Bismuth	Bi
Bi	ⓘ Bismuthinite	Bi₂S₃
Bi	ⓘ Cosalite	Pb₂Bi₂S₅
Bi	ⓘ Joséite	Bi₄TeS₂
Bi	ⓘ Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉
U	Uranium
U	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
U	ⓘ Billietite	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O
U	ⓘ Dewindtite	H₂Pb₃(UO₂)₆O₄(PO₄)₄ · 12H₂O
U	ⓘ Parsonsite	Pb₂(UO₂)(PO₄)₂
U	ⓘ Uraninite var. Pitchblende	UO₂
U	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
U	ⓘ Uraninite	UO₂
U	ⓘ Uranocircite	Ba(UO₂)₂(PO₄)₂ · 10H₂O
U	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
U	ⓘ Voglite	Ca₂Cu(UO₂)(CO₃)₄ · 6H₂O

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/Arrondissement_of_Saint-Brieuc
Wikidata ID:	Q586597
GeoNames ID:	2981279

Localities in this Region

France

Brittany
- Côtes-d'Armor
  - Saint-Brieuc
    - ⭔Allineuc
      - Bara quarry
    - ⭔Andel
    - ⭔Binic-Etables-sur-Mer
      - ⭔Binic
        La Banche
      - ⭔Étables-sur-Mer
        Les Godelins beach alluvials
    - ⭔Bréhand
      - Le Bois Hardy
    - ⭔Caurel
      - Le Pouldu
      - N164 By-pass
    - ⭔Coëtlogon
    - ⭔Coëtmieux
    - ⭔Corlay
      - Alluvial deposits
    - ⭔Éréac
    - ⭔Erquy
      - La Houssaye point
    - ⭔Gausson
    - ⭔Gomené
    - ⭔Grâce-Uzel
    - ⭔Guerlédan
      - ⭔Mûr-de-Bretagne
    - ⭔Hémonstoir
    - ⭔Hénanbihen
    - ⭔Hénansal
    - ⭔Hénon
    - ⭔Hillion
      - Carberon
      - L’Hôtellerie beach alluvials
      - Lermot
    - ⭔Île-de-Bréhat
      - ⭔Bréhat island
        Paon point
      - ⭔Lavrec island
    - ⭔Illifaut
    - ⭔Jugon-les-Lacs Commune nouvelle
    - ⭔La Bouillie
    - ⭔La Chèze
    - ⭔La Harmoye
      - Cartravers
    - ⭔La Malhoure
    - ⭔La Méaugon
    - ⭔La Motte
    - ⭔La Prénessaye
    - ⭔Lamballe-Armor
      - ⭔Lamballe
        La Poterie
        Les Houssas
        Le Cosquer
        Maroué
        Trégomar
      - ⭔Planguenoual
        Le Port Morvan
        Port Morvan beach alluvials
    - ⭔Landéhen
    - ⭔Lanfains
    - ⭔Langueux
    - ⭔Lanrelas
    - ⭔Lantic
    - ⭔Laurenan
    - ⭔Le Bodéo
    - ⭔Le Cambout
    - ⭔Le Fœil
    - ⭔Le Haut-Corlay
    - ⭔Le Leslay
    - ⭔Le Mené
      - ⭔Collinée
        Le Bois Chef d'Ane
      - ⭔Le Gouray
        Clos Méchain
      - ⭔Saint-Jacut-du-Mené
    - ⭔Le Quillio
    - ⭔Le Vieux-Bourg
    - ⭔Loscouët-sur-Meu
    - ⭔Loudéac
      - Launay Grésillon
      - Le Tiernez
    - ⭔Merdrignac
    - ⭔Mérillac
    - ⭔Merléac
      - Bosméléac
    - ⭔Moncontour
    - ⭔Noyal
    - ⭔Penguily
    - ⭔Plaine-Haute
    - ⭔Plaintel

France

Brittany
- Côtes-d'Armor
  - Saint-Brieuc
    - ⭔Plédéliac
    - ⭔Plédran
      - River alluvials
    - ⭔Plémet
    - ⭔Plémy
    - ⭔Plénée-Jugon
    - ⭔Pléneuf-Val-André
      - Dahouët beach alluvials
      - La Ville Berneuf beach alluvials
      - Le Port Morvan beach alluvials
    - ⭔Plérin
      - Boissières mine (Trémuson mine)
      - Cavalier mine (Trémuson mine)
        Fond des Prés gallery
      - Le Légué
      - Port Martin
      - Saint-Laurent-de-la-Mer beach alluvials
    - ⭔Plestan
    - ⭔Plœuc-L'Hermitage
      - ⭔L'Hermitage-Lorge
        Bas-Vallon
        Le Pas
    - ⭔Ploufragan
    - ⭔Plouguenast-Langast
    - ⭔Plourhan
    - ⭔Plumieux
    - ⭔Plurien
    - ⭔Plussulien
    - ⭔Pommeret
    - ⭔Pordic
    - ⭔Quessoy
    - ⭔Quintenic
    - ⭔Quintin
    - ⭔Rouillac
    - ⭔Saint-Alban
    - ⭔Saint-Barnabé
    - ⭔Saint-Bihy
    - ⭔Saint-Brandan
    - ⭔Saint-Brieuc
    - ⭔Saint-Caradec
    - ⭔Saint-Carreuc
    - ⭔Saint-Connec
    - ⭔Saint-Denoual
    - ⭔Saint-Donan
    - ⭔Saint-Étienne-du-Gué-de-l'Isle
    - ⭔Saint-Gildas
      - Kerfouleu
      - Kervern
    - ⭔Saint-Gilles-Vieux-Marché
      - Le Haut du Bois
    - ⭔Saint-Glen
    - ⭔Saint-Hervé
    - ⭔Saint-Julien
    - ⭔Saint-Launeuc
    - Saint-Lubin
    - ⭔Saint-Martin-des-Prés
      - Butte St-Michel
      - La Porte-aux-Moines
    - ⭔Saint-Maudan
    - ⭔Saint-Mayeux
    - ⭔Saint-Quay-Portrieux
      - Casino beach alluvials
      - Fonteny beach alluvials
      - Gabbro-diorite intrusion
      - Ile de la Comtesse beach alluvial deposits
    - ⭔Saint-Rieul
    - ⭔Saint-Thélo
    - ⭔Saint-Trimoël
    - ⭔Saint-Vran
    - ⭔Sévignac
      - Guitternel quarry
    - ⭔Tramain
    - ⭔Trébry
    - ⭔Trédaniel
      - Le Plessis d'en Haut
    - ⭔Trédias
    - ⭔Trégueux
    - ⭔Trémeur
    - ⭔Trémorel
    - ⭔Trémuson
      - Cruhauts mine
      - Processing plant
      - Silver mine slag locality
    - ⭔Trévé
    - ⭔Tréveneuc
      - Le Port Goret beach alluvials
      - Saint-Marc beach alluvials
    - ⭔Uzel
    - ⭔Yffiniac

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

Saxo-Thuringian BeltOrogenic Belt

EuropeContinent

France

Brittany
- Côtes-d'Armor
  - Saint-Brieuc
    - Les Moulins

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Commodities Mineral List Rock Types Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 7, 2026 05:38:48 Page updated: August 5, 2026 16:15:13

Go to top of page

Saint-Brieuc, Côtes-d'Armor, Brittany, FranceiRegional Level TypesSaint-BrieucArrondissement Côtes-d'ArmorDepartment BrittanyRegion FranceCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Commodity List

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Saint-Brieuc, Côtes-d'Armor, Brittany, France i
Regional Level Types
Saint-Brieuc Arrondissement
Côtes-d'Armor Department
Brittany Region
France Country