Carbonate, markeyite group
Specific gravity: 2.88
Colour: Pale green yellow
Luminescence: Bright bluish white fluorescence with a 405 nm laser
Pseudomarkeyite is a relatively new mineral, approved in 2018 and to date (May 2022) reported only from the
At the type locality, the Markey Mine, Red Canyon Mining District, San Juan county, Utah, USA, pseudomarkeyite occurs as a secondary phase on bitumen (asphaltum), with natromarkeyite. It is found as pale green-yellow twinned tapering blades and tablets to 1 mm (MM84.5.753-765).
Back to Minerals