It is found in phosphate deposits with other rare phosphates from classic localities such as Cornwall, England. Color is yellow-green, pale green or yellow. Luster is vitreous. Specimens are translucent to transparent. Cleavage is poor.
Fracture is fibrous.
Streak is green. Associated Minerals include strengite , beraunite , dufrenite , rockbridgeite and limonite . Best Field Indicators are crystal habit, color, associations and streak.