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Untitled Page 16

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smsherman at Feb 01, 2021 11:22 PM
smsherman
smsherman
Middlebury College Special Collections

Untitled Page 16


Number name of Mineral etc + Assoc. min. Composition, Cryst Syst. etc. and other notes Old number or Stud. Coll. # or none
C 108. Galena Isom. cubic PbS, vein with dodecahedral Sphalerite none?
C 109. Cerussite Sp.G . 6.4 - 6.6 PbCO3, orthorhombic, bipyramidal, Rabular prismatic fibrous, Twinned - ? clusters, bundles -----
C 110. Cerussite " " Orthrh. adamantine luster (very heavy) silky, luster _______
C 111 " " " " " Stalactitic-crystalline with Galena secondary - mineral - supergene. ? ______
C 112 " " " " " crystalline with magnanite? 10/65 BMS 2 specs
C 113 " " " " " fibrous - silky 2 specs. O. N. 148
C114 Anglesite Sp6 6.1-6.4 PbSO4 orthorhombic - tabular, prismatic pyramidal forms, flouresce. 2 specs
C 115 Anglesite with galena PbSo4 " - with galena - crystal some of it flouresces
C 116 Pyromorphite (green) 2 spec SpG 6.7 - 7.1 PB5CI(PO4)3 green Hexagonal - bipyramidal, - prisms + 0001 pinacoids - + pyramids, barrel shape (S. C.) O. N. 1982
C 117 Pyromorphite " brownish " " Brown - crystal intergrowth flouresces - tannish esp. - centers - brighter ___
C 118 2 specs

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These letters are digitized from the collections of Rokeby Museum.

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