Activity 3.2 Mineral Properties Date Name: AIndicane whether the lnter of each o

Question

Activity 3.2 Mineral Properties Date Name: AIndicane whether the lnter of each of the following materials ooks metallic (M) or nonmetallic (N) What is the streak color ae color in po dered form) of each of the following substances? t. salt- wheat 3, pencil lead: What is the crystal form or habit (Figs. 3.5 and 3.6) of the 1·quartz in Fig. 12A?_____ 2. native copper in Fig. a4? each quartz D Look up qsarte in the Mineral Database (Fig. 3.22) to find a list of the varieties (vac.) of quartz. Then identify ariety below (Figs. A3.2.1-A3.24), and write its name beneath the image. Figure A3.2.1 Figure A3.2.2 Figure A3.2.3 Figure A3.24 E A mineral can be scratched by a masonry nail or knife blade but not by a wire nail (Fig. 314). 1. Is this mineral hard or soft? 2. What is the hardness number of this mineral on Mohs Scale? 3. What mineral on Mohs Scale has such a hardness? F A mineral can scratch calcite, and it can be scratched by a wire nail. 1. What is the hardness number of this mineral on Mohs Scale? 2. which mineral on Mohs Scale has this hardness?- G The brassy, opaque, metallic mineral in Fig. 3.3A is the same as the mineral in Fig. 3.13. What is this mineral's hardness and how can you tell A mineral umple has a mas of 27 grams and takes up 104 cubic centinaeters of space. What is the specific gravity of this mineral? Show your work

Explanation / Answer

A

Mirror - Non metallic

Butter - Non metallic

Ice- Non metallic

Rusty nail - Metallic

B

Salt = White

Wheat = White

Pencil lead = Black

Please ask rest of the questions in separate questionnaire.

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