Use your ESRT to find the answers for the following mystery minerals. You have some of the characteristics so apply what you know and discover the identify of each mineral.
|
Name of Mineral |
Common
Colors |
Hardness |
Uses |
Luster
Metallic Non_Metallic |
Distinguishing Characteristics |
|
Dark red
To green |
7 |
Jewelry
Abrasives |
X |
Often seen as red grains in NYS metamorphic rock |
|
Silver to
Gray |
1-2 |
Pencil lead
Lubricants |
X |
Greasy feel
` |
|
Yellow to amber |
2 |
To make rubber and sulfuric acid |
X |
May smell |
|
Colorless
To white |
2.5 |
Food additive, melts ice |
X |
|
|
Brassy yellow |
6.5 |
Ore of sulfur |
X |
Cubic crystals |
|
Colorless or variable |
3.5 |
Source of magnesium |
X |
Bubbles with acid when powdered |
|
Colorless or variable |
7 |
Glass, jewelry and electronics |
X |
Glassy luster, may form hexagonal crystals |
|
Metallic silver |
2.5 |
Ore of lead |
X |
Very dense 7.6g/cm 3 |
|
Colorless or variable |
4 |
Hydrofluoric acid |
X |
Cleaves in 4 directions |
|
Metallic silver or earthy red |
1-6.5 |
Ore of iron |
X |
Re-brown streak |
