The easternmost of the Caymans.

Geologically, most of the island is composed of fabric-retentive dolostones of the CaymanFormation. These are dominated by mudstones and wackestones but beds and lenses of rhodolites, rudstone, packstone and grainstone are also found.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Aggregates

ⓘ Dolostone

ⓘ Limestone

Mineral List

Mineral list contains entries from the region specified including sub-localities

ⓘ 'Almandine-Pyrope Series
var. Rhodolite'

ⓘ 'Dolostone
var. Caymanite'

ⓘ Gypsum

ⓘ Pyrope

2 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Almandine-Pyrope Series var. Rhodolite'

Formula: Mg₃Al₂(SiO₄)₃

References:

Tarhule-Lips, R.F.A. (1999) Karst processes on Cayman Brac, a small oceanic carbonate island. PhD thesis, McMaster University, Hamilton, Canada, 249 pages.

ⓘ 'Dolostone var. Caymanite'

References:

en.m.wikipedia.org (n.d.) https://en.m.wikipedia.org/wiki/Caymanite

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

References:

Tarhule-Lips, R.F.A. (1999) Karst processes on Cayman Brac, a small oceanic carbonate island. PhD thesis, McMaster University, Hamilton, Canada, 249 pages.

ⓘ Pyrope

Formula: Mg₃Al₂(SiO₄)₃

References:

Tarhule-Lips, R.F.A. (1999) Karst processes on Cayman Brac, a small oceanic carbonate island. PhD thesis, McMaster University, Hamilton, Canada, 249 pages.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Pyrope	9.AD.25	Mg₃Al₂(SiO₄)₃
Unclassified
ⓘ	'Almandine-Pyrope Series var. Rhodolite'	-	Mg₃Al₂(SiO₄)₃
ⓘ	'Dolostone var. Caymanite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Gypsum	CaSO₄ · 2H₂O
O	Oxygen
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Pyrope	Mg₃Al₂(SiO₄)₃
O	ⓘ Almandine-Pyrope Series var. Rhodolite	Mg₃Al₂(SiO₄)₃
Mg	Magnesium
Mg	ⓘ Pyrope	Mg₃Al₂(SiO₄)₃
Mg	ⓘ Almandine-Pyrope Series var. Rhodolite	Mg₃Al₂(SiO₄)₃
Al	Aluminium
Al	ⓘ Pyrope	Mg₃Al₂(SiO₄)₃
Al	ⓘ Almandine-Pyrope Series var. Rhodolite	Mg₃Al₂(SiO₄)₃
Si	Silicon
Si	ⓘ Pyrope	Mg₃Al₂(SiO₄)₃
Si	ⓘ Almandine-Pyrope Series var. Rhodolite	Mg₃Al₂(SiO₄)₃
S	Sulfur
S	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	Calcium
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

Oldest Fossil Listed

0.13 Ma (Pleistocene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Melopyrrha latirostris species	Animalia : Chordata : Aves : Passeriformes : Thraupidae : Melopyrrha : *Melopyrrha latirostris*	0.126 - 0 Ma Quaternary

Localities in this Region

Cayman Islands

Cayman Brac

Other Regions, Features and Areas that Intersect

North America

Central AmericaSubregion

North America PlateTectonic Plate

Cayman ArcVolcanic Arc

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

Tarhule-Lips, R.F.A. (1999) Karst processes on Cayman Brac, a small oceanic carbonate island. PhD thesis, McMaster University, Hamilton, Canada, 249 pages.

Quick NavTop Commodities Mineral List Rock Types Fossils Localities in Region 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 08:51:28 Page updated: August 9, 2025 14:32:59

Go to top of page

Cayman Brac, Cayman IslandsiRegional Level TypesCayman BracIsland Cayman IslandsOverseas Territory 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

Localities in this Region

Other Regions, Features and Areas that Intersect

References

Cayman Brac, Cayman Islands i
Regional Level Types
Cayman Brac Island
Cayman Islands Overseas Territory