Proceedings of the United States National Museum . X) oo 110 3 1 oo2 120 4 h oo3 130 5 1 0 o°t 350 6 K ooJ^ 9. 7 New? 8 s 12 121 9 i e 01 Oil Qualitydescription. Fair Good Very poor Poor Very Good _ _ Poor Medium Fair Verj^ good ._ Measured. 0 27 135 27 152 36156 04147 55140 41169 33 153 397 58 90 0090 0090 0090 0090 0090 0090 0068 1745 12 Calculated. 0 00135 24151 23158 38147 03139 58 49 7 58 90 0090 0090 0090 0090 0090 0090 0068 3245 16 62 PEOCEEDINGS OP THE NATIONAL MUSEUM. VOL. 66. The faces of the crystals are all lustrous and brilliant but theprismatic planes are s
Proceedings of the United States National Museum . X) oo 110 3 1 oo2 120 4 h oo3 130 5 1 0 o°t 350 6 K ooJ^ 9. 7 New? 8 s 12 121 9 i e 01 Oil Qualitydescription. Fair Good Very poor Poor Very Good _ _ Poor Medium Fair Verj^ good ._ Measured. 0 27 135 27 152 36156 04147 55140 41169 33 153 397 58 90 0090 0090 0090 0090 0090 0090 0068 1745 12 Calculated. 0 00135 24151 23158 38147 03139 58 49 7 58 90 0090 0090 0090 0090 0090 0090 0068 3245 16 62 PEOCEEDINGS OP THE NATIONAL MUSEUM. VOL. 66. The faces of the crystals are all lustrous and brilliant but theprismatic planes are striated vertically and somewhat rounded byoscillation. The optical properties of this axinite are: biaxial, negative ( —),2V medium large, r<v moderate, a= , /3= , 7=, 7 —a =.011. In the granular portion of thetaxinite seam chalcopyrite. apparently con-temporaneous, is intergrown with the axinite is placed as con-temporaneous with chalcopyrite, epidote, andhornblende, and earlier than
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
