| Untitled Page 14
| (C) Hall Cases Number |
Mineral etc | Composition - Notes etc crystal
| Old number etc
|
| C88 | labradorite (gray) | {in Anorthosite rock Labra. = Ab50An50 to Ab30An 70 gray-greenish, Archean Triclinic, pinacoidal SpG. = 2.7. | none |
C90 89. | Albite twinning striations plagio. felds. on basal 001 face
| 2 planes, perfect - basal (001) + brachypinacoidal (101)? - L = | 86°3" |
| C90 | Garnet (top of case (1.good crystal - 1') and 2nd (poorer crystal) | almost 1' in diam. Isom. dodecahedrons, pЄ, Archean? Grenville. dodecahedral parting | student coll 2003 |
| C91 | Garnet dodecahedrons | (on top of case) in light colored syenitic? gneiss
| none |
| C91 | Garnet " | in gabbroic - gneiss, Archean [pf?] - Almandite and pyrope var etc
| none |
| C93 | " " mostly Almandite? var. | (H=75-8.) sy Mpt. schistose large Amphibole - black monoclinic - crystals + chlorite?
| ? |
| C94 | Garnet Schist | with muscovite (sericite), Kyanite and qtz. meta. rock. Mt. Holly complex - Gassetts, Vt. |
| C95. | Pyrite FeS2, 2 specs. |
Iron Sulfid, granular, Isometric pyritohedron crystals (some cubes?) |
| C96 |
Magnetite 5 3 specs. | Fe3O4 fine grained, massive. dike-like - (open-pit) Discordant, Late magm. segreg. type. | --- |
| C97 | " 1 spec. | granular, Isom. crystals, Octahedral - with Calcite rhodonite, willemite? pЄ? | --- |
| C98 | Gypsum - 2 spec {large smaller | CaSO4*2H2O - Monoclinic, fish-tail twins, fibrous striated. with Sulfur
| ? |
| C99 | Tyuyamunite uranium oxide | 2 spec. 1.a slice Ca(UO2)2(VO4)2nH2O greenish yellow flouresces - yellow green - Silicified Log. | --- |
| C100 | Uranite UO2 "Pitchblende" | in bedded SS - near base of Chinle ([TR?]) resting on Moenkopi (lower Triassic) mudstone | --- |
| C101 | Chromite Fe(Cr, Fe)2 O4. | Colraine? old mines S. of Thetford + Asbestos, Que in Gabbroic-simatic instrusive? - | 2 Specs |
| C102 + | Sphalerite in quartz | ZnS isometric - octa-tetra-and dodecahedral (dodecahedral cleavage) | 691 |
| C103 | Sphalerite, dolomite, pyrite marcasite? | and galena, ZnS. geode. replacement type same [cl?] as in C102 along - layers - also cavity filling | C3 C=Catalina |
| C104 | Calena, Isom. 9 specs
| PbS isom. cubic - 3 pl of cl. prepend. (90°) | 55 |
| C104a | Galena, " cubic | PbS with calcite (hex. rhombic) | 55 |
| C104b | Galena, 150m. cubic
| " with calcite and pyrite -(striated pyritohedrons | --- |
| C105 | Galena, " cubes + octahedrons | PbS. + pyrite sphalprite and dolomite
| SC. # 1854 |
| C106 | Galena PbS. | with calcite, plus fibrous - sheath-like Barite? or celestite or Anglesite - cubes - octahedrons of PbS. | 690 |
| C107 | Galena with Cv and Ag + Zn minerals | PbS - 9% ore, Sphalerite (2nS), 4% chalcopyrite CuFeS2 3% - 5 oz of Ag. | S. C. 2039 | | Untitled Page 14
| (C) Hall Cases Number |
Mineral etc | Composition - Notes etc crystal
| Old number etc
|
| C88 | labradorite (gray) | {in Anorthosite rock Labra. = Ab50An50 to Ab30An 70 gray-greenish, Archean Triclinic, pinacoidal SpG. = 2.7. | none |
C90 89. | Albite twinning striations plagio. felds. on basal 001 face
| 2 planes, perfect - basal (001) + brachypinacoidal (101)? - [L?] = | 86°3" |
| C90 | Garnet (top of case (1.good crystal - 1') and 2nd (poorer crystal) | almost 1' in diam. Isom. dodecahedrons, [pf?], Archean? Grenville. dodecahedral parting | student coll 2003 |
| C91 | Garnet dodecahedrons | (on top of case) in light colored syenitic? gneiss
| none |
| C91 | Garnet " | in gabbroic - gneiss, Archean [pf?] - Almandite and pyrope var etc
| none |
| C93 | " " mostly Almandite? var. | (H=75-8.) sy Mpt. schistose large Amphibole - black monoclinic - crystals + chlorite?
| ? |
| C94 | Garnet Schist | with muscovite (sericite), Kyanite and qtz. meta. rock. Mt. Holly complex - Gassetts, Vt. |
| C95. | Pyrite FeS2, 2 specs. |
Iron Sulfid, granular, Isometric pyritohedron crystals (some cubes?) |
| C96 |
Magnetite 5 3 specs. | Fe3O4 fine grained, massive. dike-like - (open-pit) Discordant, Late magm. segreg. type. | --- |
| C97 | " 1 spec. | granular, Isom. crystals, Octahedral - with Calcite rhodonite, willemite? [pf?]? | --- |
| C98 | Gypsum - 2 spec {large smaller | CaSO4*2H2O - Monoclinic, fish-tail twins, fibrous striated. with Sulfur
| ? |
| C99 | Tyuyamunite uranium oxide | 2 spec. 1.a slice Ca(UO2)2(VO4)2nH2O greenish yellow flouresces - yellow green - Silicified Log. | --- |
| C100 | Uranite UO2 "Pitchblende" | in bedded SS - near base of Chinle ([TR?]) resting on Moenkopi (lower Triassic) mudstone | --- |
| C101 | Chromite Fe(Cr, Fe)2 O4. | Colraine? old mines S. of Thetford + Asbestos, Que in Gabbroic-simatic instrusive? - | 2 Specs |
| C102 + | Sphalerite in quartz | ZnS isometric - octa-tetra-and dodecahedral (dodecahedral cleavage) | 691 |
| C103 | Sphalerite, dolomite, pyrite marcasite? | and galena, ZnS. geode. replacement type same [cl?] as in C102 along - layers - also cavity filling | C3 C=Catalina |
| C104 | Calena, Isom. 9 specs
| PbS isom. cubic - 3 pl of cl. prepend. (90°) | 55 |
| C104a | Galena, " cubic | PbS with calcite (hex. rhombic) | 55 |
| C104b | Galena, 150m. cubic
| " with calcite and pyrite -(striated pyritohedrons | --- |
| C105 | Galena, " cubes + octahedrons | PbS. + pyrite sphalprite and dolomite
| SC. # 1854 |
| C106 | Galena PbS. | with calcite, plus fibrous - sheath-like Barite? or celestite or Anglesite - cubes - octahedrons of PbS. | 690 |
| C107 | Galena with Cv and Ag + Zn minerals | PbS - 9% ore, Sphalerite (2nS), 4% chalcopyrite CuFeS2 3% - 5 oz of Ag. | S. C. 2039 | |
EN