Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Our Science Mindat Newsletter [Free Download]Contact Us

Donate to Mindat Sponsor a Page Corporate Sponsorship Sponsored Pages

Learning Center What Is a Mineral?The Most Common Minerals on Earth Information for Educators Mindat Articles Mindat Newsletter [Free Download]The Elements The Mineral Quiz

Search Form Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Minerals by Country Alphabetical Mineral Index Alphabetical Locality Search Mineral Association Search List of Countries Localities Near Me Photo Search Search Articles Search Glossary The Rock H. Currier Digital Library More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Minerals Petrology Fossils Meteorites Geologic Time

Mining Companies Statistics Mineral Museums Clubs & Organizations Mineral Shows & Events Device Settings Time Machine

Read Discussions Identification Request

Photo Search Photo Galleries Search by Colour Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Rodrigues triple junction, Indian Ocean i
Regional Level Types
Rodrigues triple junction Group of Ridges
Indian Ocean Ocean

Regional Level Types
Rodrigues triple junction	Group of Ridges
Indian Ocean	Ocean

This page is currently not sponsored. Click here to sponsor this page.

Photos Maps Search

Standard

Specimen Photos (1)Photos by Color Add Photo

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Glassy igneous rock

Rodrigues triple junction, Indian Ocean

Glassy igneous rock

Rodrigues triple junction, Indian Ocean

Glassy igneous rock

Rodrigues triple junction, Indian Ocean

Latitude & Longitude (WGS84):

25° 30' South , 70° 0' East

Latitude & Longitude (decimal):

G#: me3ybvu7w

Type:

Group of Ridges

Mindat Locality ID:

333589

Long-form identifier:

mindat:1:2:333589:8

GUID (UUID V4):

Convergence of Central Indian Ridge, the Southeast Indian Ridge, and the Southwest Indian Ridge. This is the meeting of the Indian, Antartica and African plates

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Basalt

ⓘ Glassy igneous rock

ⓘ Ooze

ⓘ 'Pillow lava'

Detailed Mineral List:

ⓘ 'Chlorite Group'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Feldspar Group'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Gismondine Subgroup'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Glass'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Limonite'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Mordenite

Formula: (Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Quartz

Formula: SiO₂

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Stellerite

Formula: Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ Todorokite

Formula: (Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Wad'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

ⓘ 'Zeolite Group'

References:

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Todorokite	4.DK.10	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Group 9 - Silicates
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	'Zeolite Group'	9.G0.
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
ⓘ	Stellerite	9.GE.15	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Limonite'	-
ⓘ	'Wad'	-
ⓘ	'Gismondine Subgroup'	-
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Glass'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
H	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	Oxygen
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
O	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
Na	Sodium
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Na	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Mg	Magnesium
Mg	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Al	Aluminium
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Al	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Si	Silicon
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
K	Potassium
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ca	Calcium
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Ca	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Mn	Manganese
Mn	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Sr	Strontium
Sr	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ba	Barium
Ba	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O

Other Regions, Features and Areas containing this locality

Indian OceanOcean

Somali BasinOceanic Crust

Somali PlateTectonic Plate

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.

References

Herzig, P. M., & Plueger, W. L. (1988). Exploration for hydrothermal activity near the Rodriguez triple junction, Indian Ocean. The Canadian Mineralogist, 26(3), 721-736.

Quick NavTop Mineral List Rock Types Other Regions References

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: October 20, 2026 07:08:44 Page updated: August 18, 2025 12:27:10

Go to top of page

Rodrigues triple junction, Indian OceaniRegional Level TypesRodrigues triple junctionGroup of Ridges Indian OceanOcean function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

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

Other Regions, Features and Areas containing this locality

References

Rodrigues triple junction, Indian Ocean i
Regional Level Types
Rodrigues triple junction Group of Ridges
Indian Ocean Ocean