Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Thomsonite-Ca from
Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal


04692570017362564085455.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
03724400017271966308248.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
03002540017272047237750.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
02380260017272081611352.jpg
Thomsonite-Ca

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
04692570017362564085455.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
05514240017271966295585.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
03002540017272047237750.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
02380260017272081611352.jpg
Thomsonite-Ca

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
00642520017368291236798.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
03724400017271966308248.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
03002540017272047237750.jpg
Thomsonite-Ca, etc.

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
02380260017272081611352.jpg
Thomsonite-Ca

Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
Locality type:Quarry
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Confirmation Details:Where Tested and Reference ID: Rui Nunes collection
Associated Minerals Based on Photo Data:
Natrolite85
Analcime33
Calcite19
Smectite Group19
Augite2
Stilbite Subgroup2
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
Photo GalleryView Gallery (67 photos)
Data Identifiers
Mindat Occurrence Record ID:255862
Long-form Identifier:1:3:255862:2
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
24.1km (15.0 miles) ⓘValejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
References
 
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