Question

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Answer 1

Answer:

2. magnetism and fluorescence

Explanation:

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Answer 2

Answer:

The answer is

2. magnetism and fluorescence

Explanation:

The other properties mentioned are common properties that are used to identify all minerals. As you can see, hardness, color and fracture are common properties that cut across all minerals. Magnetism and fluorescence however, are not very common and are found in only a few special minerals. That is why they are considered special properties.

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