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Untitled Page 16

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smsherman at Feb 04, 2021 12:06 AM
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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 Pyromorphite on SS.? " " green 2 - specs ?
C 119 " on quartz " " " with oiron oxide coating plus some galena? 10/65 ?
C 120 Sphalerite isom. dodecahedrons InS + pyrite, dolomite in vugs, chalopyrite? ?
C 121. " " ZnS with some galena in Dunham dolostone breciated + vein filling + replacement ?
C 122. " good isom. dodecahedral + pyritohedrons ZnS "Black Jack". black to amber O. N. 1079
C 123. " isom. dodeca. ZnS good dodecahedral cleavage - good S. C. 1786
C 124 " " " "ruby zinc" ZnS amber-color good dodecahedrons - pyritohedrons S. C. 1832a
C 125 " " " ? ZnS - "cockade-concentric deposition "ossettes" ore" dolostone - ordovidcian? S. C. 1787
C 126 { (a) " in Boone chert, Miss. system " " (b) " with hemimorphite (ZnOH silicate) - supergene, replacement - ZnS. crystals (a) (J2) "
C 127 Smithsonite Hex. with Azurite Cu - carbonate ZnCO3 light blue, concretionary, H=5, li blu. ?
C 128 Smithsonite Hex. ZnCo3 v. light blue - concretionary 1250
C 129. " " " 2 specs. geodic-filling vug or vein. white-gray ____
C 130 3 specs Hemimorphite also (calamine) rhombohedral Zn4 (Si2O7)(OH)2 H2O, orthrh., pyramidal ---- 3 specs

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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