Minerals of the Chickering Mine Walpole, NH        GRIEFENSTEINITE     Ca2Be4(Fe2+, Mn)5(PO4)6(OH)4 · 6H2O
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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: ROS_1 => EDS analysis    ROS_2, ROS_3, ROS_4 => Visual
Discussion:
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GREIFENSTEINITE    1.8 mm field of view     BW      Photo: Greifensteinite13   [bw]
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ROSCHERITE - group    2 mm crystal group     AW      Photo: ROS_2   [aw]
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ROSCHERITE - group    1.2 mm mass     BW      Photo: ROS_3   [bw]
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ROSCHERITE - group    1 mm field of view     BW      Photo: ROS_4   [bw]
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GRIEFENSTEINITE   0.6 mm greifensteinite crystal spray     BJ      Photo: GRI_1   [bj]
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GRIEFENSTEINITE   0.6 mm greifensteinite crystal spray -another image     BJ      Photo: GRI_2   [bj]
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GRIEFENSTEINITE   The whole mass is 0.9 mm, maybe 1 mm     BW      Photo: GRI_3   [bw]
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GRIEFENSTEINITE   Zoom view of GRI_3. Retake of ROS_2     BW      Photo: Greifensteinite11   [bw]