Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Laumontite from
Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India


02592200017866585265941.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
01030630017367832294788.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
09639980017272001427810.jpg
Laumontite

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
06135730017272001445809.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
02696720017365878662471.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
01030630017367832294788.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
09639980017272001427810.jpg
Laumontite

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
06135730017272001445809.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
06856540017271924555759.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
07824070017367832298453.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
03153740017272001507275.jpg
Laumontite

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
06135730017272001445809.jpg
Laumontite, etc.

Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
Locality type:Quarry
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Gyrolite55
Okenite45
Quartz16
Hydroxyapophyllite-(K)15
Calcite15
Prehnite11
Babingtonite5
Apophyllite Group4
Mesolite3
Scolecite1
Fluorapophyllite-(K)1
Chabazite1
Yugawaralite1
Basalt1
Heulandite Subgroup1
Epistilbite1
Ilvaite1
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Malad Quarry, Malad, Mumbai Suburban District, Salsette Island, Konkan Division, Maharashtra, India
Photo GalleryView Gallery (20 photos)
Data Identifiers
Mindat Occurrence Record ID:65997
Long-form Identifier:1:3:65997:6
GUID (UUID V4):0
References
Harvard Mineralogical Museum no. 119450
Personal experience-Rock Currier
Wise, William S. (1978) Mineralogical Notes - Yugawaralite from Bombay, India. The Mineralogical Record, 9 (5) 296
Ottens, Berthold, Götze, Jens, Schuster, Ralf, Krenn, Kurt, Hauzenberger, Christoph, Zsolt, Benkó, Vennemann, Torsten (2019) Exceptional Multi Stage Mineralization of Secondary Minerals in Cavities of Flood Basalts from the Deccan Volcanic Province, India. Minerals, 9 (6) 351 doi:10.3390/min9060351
Ottens, Berthold, Schuster, Ralf, Benkó, Zsolt (2022) The Secondary Minerals from the Pillow Basalt of Salsette-Mumbai, Deccan Volcanic Province, India. Minerals, 12 (4) 444 doi:10.3390/min12040444
 
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