Mineral Properties - MRS.SNELL'S 6TH GRADE EARTH SCIENCE

Mineral Properties - MRS.SNELL'S 6TH GRADE EARTH SCIENCE

Mineral Properti es Interesting Fact: Nearly 2500 minerals are found in Earth's

crust, most are rare, with only about 100 occurring in abundance. A minerals properties are used to identify them.

Lets Look at Some Cool Minerals Easiest property to observe Only useful for a few minerals that are always the

Ex. Quartz that same is pure color. is clear but can be many different colors. -How a mineral reflects light (its shininess)

3 types of luster: 1.Metalic 2. Submetalic 3. Nonmetalic -The color of a minerals powder

* The streak does not change even if the color of the mineral does. Ex. Quartz streak is always white - Mineral splits

evenly along flat surfaces - Mineral breaks apart in a jagged pattern

- Mohs hardness scale ranks minerals from 1 to 10 in order of hardness (1 is softest, 10 is hardest) - A mineral can scratch any mineral softer than itself

Steel nail glass penny fingernail

- The measure of how much mass is in a given amount of space - always the same for each mineral m

D= v (mass) (volume)

fluorescence- glows in the dark Magnetic chemical reactions Taste (halite taste salty)

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