| Minerals of the Chickering Mine Walpole, NH
METAVIVIANITE
Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O Back to Chickering front page. |
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Specimen owner ID's (capitals): TM = Tom Mortimer, BW = Bob Wilken, BJ = Bob Janules, PC = Peter Cristofono, AW = Anna Wilken Photographer ID's (lower case). Identification: Visual Discussion: Metavivianite, a dimorph of vivianite, manifests three habits at the Chickering Mine: 1. Opaque, waxy, leek green, platy crystals with a lanceolate termination. 2. Waxy, mottled, yellow-green, blocky crystals showing parallel striations along the c axis. 3. Yellowish-green, submetallic, scaly, prismatic crystals that often have a vivianite core. |
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