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What metamorphic rock is formed by dolerite?
hornblende
What color is hornblende's streak?
Hornblende's streak color is typically white to gray.
Why is the presence of hornblende in the Rock an important clue?
The presence of hornblende in a rock is an important clue because it indicates specific conditions of formation and the geological environment. Hornblende is a mineral commonly found in igneous and metamorphic rocks, suggesting that the rock may have formed from a high-temperature, high-pressure environment, often associated with subduction zones or volcanic activity. Additionally, the composition and texture of hornblende can provide insights into the rock's history, including its mineralogical evolution and the processes that shaped it. This information aids geologists in reconstructing the geological history of an area.
What is hornblende's hardness?
the hardness scale for the mineral hornblende is 5-6.
Can hornblende be scratched from a fingernail?
Hornblende is a mineral with a hardness of about 5 to 6 on the Mohs scale, which means it is harder than a fingernail, which has a hardness of about 2.5 to 3. Therefore, hornblende cannot be scratched by a fingernail. Instead, a fingernail would likely be scratched by hornblende if they came into contact.
What metamorphic rock is formed by dolerite?
hornblende
What color is hornblende's streak?
Hornblende's streak color is typically white to gray.
What is the Mining Process of Hornblende?
Hornblende is a mineral commonly found in metamorphic and igneous rocks and is not mined directly. If hornblende-bearing rocks are mined for other minerals, the hornblende may be extracted during the processing of the ore. Hornblende itself does not have any industrial uses that require specific mining processes.
Is hornblende magnetic?
No, hornblende is not a magnetic mineral. It does not exhibit any magnetic properties.
Why is the presence of hornblende in the Rock an important clue?
The presence of hornblende in a rock is an important clue because it indicates specific conditions of formation and the geological environment. Hornblende is a mineral commonly found in igneous and metamorphic rocks, suggesting that the rock may have formed from a high-temperature, high-pressure environment, often associated with subduction zones or volcanic activity. Additionally, the composition and texture of hornblende can provide insights into the rock's history, including its mineralogical evolution and the processes that shaped it. This information aids geologists in reconstructing the geological history of an area.
What is hornblende's hardness?
the hardness scale for the mineral hornblende is 5-6.
Can hornblende be scratched from a fingernail?
Hornblende is a mineral with a hardness of about 5 to 6 on the Mohs scale, which means it is harder than a fingernail, which has a hardness of about 2.5 to 3. Therefore, hornblende cannot be scratched by a fingernail. Instead, a fingernail would likely be scratched by hornblende if they came into contact.
Is hornblende a rock or mineral?
Hornblende is a mineral, specifically a silicate mineral belonging to the amphibole group. It is commonly found in igneous and metamorphic rocks.
Does granite have hornblende?
Yes
What type of rock is hornblende diorite?
Hornblende diorite is a type of intrusive igneous rock. It is composed primarily of plagioclase feldspar, hornblende, and small amounts of other minerals. It has a medium to coarse-grained texture and is typically gray or greenish in color.
How much hornblende is in granite?
Hornblende is only an accessory mineral in granite, so its less than 5% of the total rock.
What year was hornblende discovered?
1200
