Characteristics of Rocks and Minerals

The video tutorial describes a rock that is somewhat pink or gray, with very few clastic pieces or grains. It highlights the presence of small crystallization and notes the rock's hardness, making it difficult to scratch. The rock's edges are also mentioned.

What are the possible colors of the rock described?

• Blue and sometimes green

• Pink and sometimes gray

• Black and sometimes white

• Red and sometimes yellow

What is the size of the clastic pieces or grains within the rock?

• Very large

• Medium-sized

• Very small

• Non-existent

What can be observed within the rock besides small grains?

• Only clastic pieces

• Large crystals

• A little bit of crystallization

• No crystallization

How is the rock's hardness described?

• Fairly hard

• Very soft

• Moderately soft

• Extremely hard

What is the rock's resistance to being scratched?

• Cannot be scratched at all

• Not easily scratched

• Moderately scratched

• Easily scratched