Add to ORKG(Na,Ca)(Li,Mg,Al)3-(Al,Fe,Mn)6(BO3)3(Si6O18)(OH)4https://ecommons.udayton.edu/geo_mineral/1023/thumbnail.jp
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
Tourmaline minerals observed in different geologic environments show significant variations in terms...
Tourmaline, a mineral often overlooked in petrologic studies, is shown to be a useful petrogenetic i...
The crystal structures of three tourmaline crystals: (Na-0.49 K-0.01 Ca-0.48) (Mg-1.35 Fe-0.94(2+) F...
Tourmaline in Cookeite Crystal (2 x 5/8 ) - Bennett Q.https://digitalmaine.com/mgs_geologic_field_p...
Tourmaline Crystal mined at Mt. Micahttps://digitalmaine.com/mgs_geologic_field_photos/7120/thumbnai...
Tourmaline Crystal mined at Mt. Micahttps://digitalmaine.com/mgs_geologic_field_photos/7120/thumbnai...
Tourmaline in Cookeite Crystal (2 x 5/8 ) - Bennett Q.https://digitalmaine.com/mgs_geologic_field_p...
Tourmaline-supergroup minerals are ubiquitous accessory minerals in rocks of the Earth's crust. They...
(Ca,Na)2-3(Mg,Fe,Al)5Si6(Si,Al)2O22(OH)2https://ecommons.udayton.edu/geo_mineral/1011/thumbnail.jp
NaFe2+3Al6(BO3)3Si6O18(OH)4 - Mohs Hardness: 6-6½. Schorl is best known as \u22Black Tourmaline\u22...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
Tourmaline minerals observed in different geologic environments show significant variations in terms...
Tourmaline, a mineral often overlooked in petrologic studies, is shown to be a useful petrogenetic i...
The crystal structures of three tourmaline crystals: (Na-0.49 K-0.01 Ca-0.48) (Mg-1.35 Fe-0.94(2+) F...
Tourmaline in Cookeite Crystal (2 x 5/8 ) - Bennett Q.https://digitalmaine.com/mgs_geologic_field_p...
Tourmaline Crystal mined at Mt. Micahttps://digitalmaine.com/mgs_geologic_field_photos/7120/thumbnai...
Tourmaline Crystal mined at Mt. Micahttps://digitalmaine.com/mgs_geologic_field_photos/7120/thumbnai...
Tourmaline in Cookeite Crystal (2 x 5/8 ) - Bennett Q.https://digitalmaine.com/mgs_geologic_field_p...
Tourmaline-supergroup minerals are ubiquitous accessory minerals in rocks of the Earth's crust. They...
(Ca,Na)2-3(Mg,Fe,Al)5Si6(Si,Al)2O22(OH)2https://ecommons.udayton.edu/geo_mineral/1011/thumbnail.jp
NaFe2+3Al6(BO3)3Si6O18(OH)4 - Mohs Hardness: 6-6½. Schorl is best known as \u22Black Tourmaline\u22...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
International audienceThe tourmaline group minerals (schorl to elbaite) typically occur in the Li-be...
Tourmaline minerals observed in different geologic environments show significant variations in terms...