Amber

Number of references: 3

See on mindat.org

See on rruff.info

Luminescence

Fluorescence

Unknown excitation: Blue [2], Yellow [1]

Phosphorescence/Afterglow

None reported

Localities

Dominican Republic
    FL-Blue [1]
USA
    Colorado
        Pueblo County
            FL-Yellow [1], FL-Blue [1]

References

Manuel Robbins. "Fluorescent Forum. The Fluorescence of Organic Minerals." Rocks & Minerals, 66(1):65-66, 1991. 10.1080/00357529.1991.11761602

• USA, Colorado, Pueblo County (FL-Blue, FL-Yellow)
• Dominican Republic (FL-Blue)