Laumontite

Specimen ID: J8K-XR9

Mineral(s)
Laumontite : CaAl2Si4O12·4H2O
Locality
As recorded:
Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Mindat locality:
Dimensions
5cm x 3.4cm x 2.4cm
Events

Photo added to mindat.org

5.0 x 3.4 x 2.4 cm. A rare specimen of Himalaya Mine laumontite - not commonly available. Laumontite is a zeolite, a hydrated calcium-aluminium silicate, with the molecular formula Ca(AlSi2O6)2•4H2O. This cluster of fine prismatic crystals is in wonderful condition, with the terminations intact.
Robert Lavinsky - 11th March 2009
Liked by
No-one has added this to their favourites.
Log in to comment/edit
4,991,941 minIDs have been issued as of 5th Apr 2020 5:43 am BST