Natrolite and Microcline, Poudrette Quarry, Mont St-Hilaire, Canada

Cluster of small translucent natrolite crystals with interspersed crystals of microcline and an unidentified non-fluorescent brownish mineral. From the Poudrette quarry, Mont St-Hilaire, Quebec, Canada. Under SW UV the natrolite shows a moderate green response and the microcline fluoresces raspberry red. This specimen measures 9.2 x 5.7 x 5.0 cm and weighs 122 grams.

1 view0 comments

Email comments or suggestions:


Nature’s Rainbows is a non-commercial web site maintained entirely by volunteer hobbyists and contributors.  Our mission is to provide information about UV and luminescence, premium fluorescent mineral photos, and a fluorescent mineral database for the enjoyment of FL mineral collectors around the world.  Information on this web site is covered under a Creative Commons License.

Feel free to contact us with comments and suggestions.

Like us on Facebook!

  • reddit
  • Facebook Social Icon

Subscribe to our RSS (Real Simple Syndication) feed to get new posts delivered directly to your desktop!