Mineralogy of Groix Island, Morbihan (56)

01 – Serpentine – Inévéli

02 – Crichtonite on Quartz – Porh-Morvil

03 – Crichtonite on Quartz – Porh-Morvil

04 – Ilmenite – Les Saisies

05 – Hornblende on Amphibolite – Les Chats

06 – Manganese, Pistachite and Pyrolusite – Les Saisies

07 – Chloritoid – Le Gripp

08 – Magnetite on schist – Tonnerre

09 – Black massive magnetite – Signal de Brume

10 – Magnetite and Pyrite – Tonnerre

11 – Fuschite – Bilhéric

12 – Pyrolusite – Bilhéric

13 – Pyrolusite nodules – Gadoéric

14 – Actinolite – Bilhéric

15 – Massive Actinolite – Bilhéric

16 – Pyrite on Talc – Inévéli

17 – Actinolite and Pyrite – Inévéli

18 – Siderite – L’Enfer

19 – Manganese salts – Les Saisies

20 – Sphene – Le Rolaz-Rocheplate

21 – Pseudomorphosis of lawsonite – Nosterven