Geology 300: Physical Geology

Geology 301: Physical Geology Lab

Geology 305: Earth Science

Geology 306: Earth Science lab

Samples: Minerals, Sedimentary, Igneous, Metamorphic

Instructor: Arthur Reed, P.G.

 

 

 

Mineral Samples for Geol 306 Exercise 1.2

All samples are approximately 1 3 in size

SG = Specific Gravity

 

NOTE: ALWAYS CLICK ON THE SAMPLE NUMBER UNDER THE PHOTO TO GET THE BEST/CORRECT VIEW OF THE MINERAL

 

 

 

SAMPLE 554

Hardness: 3.4 - 4

SG = 4.1 4.3

 

 

SAMPLE 557

Hardness: 2.5

SG = 7.4 7.6

 

 

SAMPLE 558

Cleavage good (although not apparent in this photo)

Hardness: 2

SG = 2.3

 

 

SAMPLE 562

This mineral comes in all colors

Hardness: 7

SG = 2.6 2.7

 

 

SAMPLE 589

Cleavage excellent in two direction at nearly 90 (although not apparent in this photo)

Hardness: 6

SG = 2.5 2.6

 

 

SAMPLE 608

Crystals are often in cubic form

Hardness: 6 6.5

SG = 4.9 5.2

 

 

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SAMPLE 612

Crystal shape may also be cubic

Hardness: 4

SG = 3 3.3

 

 

SAMPLE 617

Often greenish color

Hardness: 7

SG = 3.3 3.4

 

 

SAMPLE 634

Hardness: 2.5 - 3

SG = 8.8 9.0

 

 

SAMPLE 635

Fracture may be conchoidal

Hardness: 5

SG = 3.1 3.4

 

 

SAMPLE 641

Fizzes in HCl

Hardness: 3.5 - 4

SG = 3.6 - 4

 

 

 

 

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