a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's characteristics
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Certainly! Here's how a geologist can use the kit items to determine some of the mineral's characteristics:
1. Penny: The geologist can use the penny to check the mineral's hardness. They can try scratching the mineral with the penny and observe if it leaves a mark. If the mineral is softer than the penny, it indicates a lower hardness value.
2. Hand lens: The hand lens is an essential tool for examining the mineral's features up close. The geologist can use the lens to magnify the mineral and observe its color, texture, cleavage, and any visible crystals or minerals.
3. Piece of tile: The geologist can perform a streak test using the tile. They can rub the mineral against the surface of the tile and observe the color of the streak left behind. Different minerals can leave different colored streaks, which can help identify the mineral.
4. Geologic hammer: The geologist can use the hammer to perform a fracture test on the mineral. By carefully chipping off a small piece, they can observe the mineral's internal structure, such as whether it has a smooth, conchoidal fracture (like glass) or a more irregular, granular fracture.
5. Jack knife: The geologist can use the jack knife to test the mineral's luster. They can try to scratch the mineral's surface and observe if it leaves a mark. Additionally, they can examine the reflections of light on the mineral's surface to determine if it has a metallic or non-metallic luster.
By employing these items from the kit, a geologist can gather valuable information about the mineral's hardness, color, texture, cleavage, streak, fracture, and luster. These characteristics can aid in identifying the mineral and provide insights into its geological context and formation.