Lab 2 - Lab 2 Physical Properties of Minerals Part A State...

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Lab 2 Physical Properties of Minerals Part A State of Aggregation of minerals State of aggregation terms : Massive, Bladed, Granular, Fibrous, Radiating, Dendritic, Banded, Concentric, Reniform, Botryoidal, Colloform, Stalactitic, Concretionary, Globular, Drusy, Rosette, Massive, …. etc. Crystal form (habit) terms : tabular, acicular, fibrous, massive, cubic, rhombohedral, micaceous, prismatic, …. . etc. *Please note that throughout the semester, names succeeded with an asterisk are not minerals!* Exercise : Identify the state of aggregation for each of the following specimens. 1- Mn oxides (pyrolusite?) 2- Hematite 3- Calcite: 4- Chrysotile 5- Dolomite 6- Barite (sand crystal): 7- Unknown: 8- Aragonite: 9- Onyx: 10- Chrysotile 11- Bornite 12- Bauxite* 13- Unknown: 14- Linarite 15- Opal*
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16- Quartz 17- Hematite 18- Unknown: 19- Wavellite (green): 20- Tigers Eye: Here quartz has replaced serpentine while retaining its original state of aggregation/ habit. What was that original state of aggregation?
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Lab 2 - Lab 2 Physical Properties of Minerals Part A State...

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