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Margarosanite

Number of references: 14

See on mindat.org

See on rruff.info

Luminescence

Fluorescence

Shortwave: Blue [5], Red [3], Violet [1], Orange [1], White [1]
Midwave: Red [1]
Longwave: Red [1]
Unknown excitation: Blue [1]

Phosphorescence/Afterglow

None reported

Activators

Peak Excitation Activator Color Locality
325nm (Δ=35nm, τ=1.3us) 266nm (T=300K) Ce3+ replacing Ca2+ UV Franklin Mine
330nm (Δ=35nm) 266nm (T=200K) Ce3+ replacing Ca2+ UV Franklin Mine
375nm (τ=150ns) 266nm (T=100K) Pb2+ UV Franklin Mine
460nm (τ=1.5us) 355nm (T=100K) Pb2+ Blue Franklin Mine
460nm (Δ=116nm, τ=10.6us) 266nm (T=300K) Pb2+ Blue Franklin Mine
460nm (Δ=116nm) 266nm (T=200K) Pb2+ Blue Franklin Mine
635nm (Δ=80nm, τ=1.2ms) 355nm (T=300K) Mn2+ clusters ? Orange Franklin Mine
635nm (Δ=80nm, τ=540us) 266nm (T=300K) Mn2+ replacing Ca2+ Orange Franklin Mine
640nm (Δ=75nm) 266nm (T=200K) Mn2+ replacing Ca2+ Orange Franklin Mine
640nm (Δ=65nm, τ=410us) 266nm (T=100K) Mn2+ replacing Ca2+ Orange Franklin Mine
655nm (Δ=70nm, τ=2.1ms) 355nm (T=100K) Mn2+ clusters ? Orange Franklin Mine

Localities

Sweden
    Värmland County
        Filipstad
            Långban Ore District
                Långban Mine
                    SW-Red [1], SW-Blue [1]
            Nordmark District
                Jakobsberg ore field
                    SW-Blue [1], SW-White [1], SW-Red [1]
USA
    New Jersey
        Sussex County
            Franklin Mining District
                FL-Blue [1]
                Franklin
                    Franklin Mine
                        SW-Blue [3], MW-Red [1], SW-Violet [1], SW-Red [1], SW-Orange [1], LW-Red [1]

References

Michael Gaft, H. Yeates, Lev Nagli. "Laser-induced time-resolved luminescence of natural margarosanite Pb(Ca,Mn)2Si3O9, swedenborgite NaBe4SbO7 and walstromite BaCa2Si3O9." European Journal of Mineralogy, 25(1):71-77, 2013. 10.1127/0935-1221/2013/0025-2260

Manuel Robbins. "Fluorescent Forum. Franklin's Fluorescent Minerals: Can They Be Found Elsewhere?." Rocks & Minerals, 60(5):235-244, 1985. 10.1080/00357529.1985.11764415

Manuel Robbins. "Fluorescent Forum. The 1987 Franklin, New Jersey, Show." Rocks & Minerals, 63(5):399-399, 1988. 10.1080/00357529.1988.11761870

Richard C. Bostwick. "Wollastonite from Franklin, New Jersey." Picking Table, 45(2):9-36, 2004.

Dan Holtstam. "Langban: the mines, theis minerals, geology and explorers." Excalibur Mineral Company, 1999. ISBN: 9789187214882