Minerals form in igneous rock as magma or lava cools. The minerals will form from the available chemicals in the magma as their crystallization temperature is reached. The sequence of mineral crystal formation from magma is described in the Bowen's Reaction Series.
Metamorphic rock minerals are aligned, altered, or recrystallized from existing rock minerals due to the effects of heat and/or pressure.
Aquamarine is a form of the mineral beryl.
Graphite is a metamorphic rock. It is formed from the metamorphism of organic sedimentary rocks, such as coal, under high temperature and pressure.
Coltan is an ore formed of columbite and tantalite and occurs in igneous rocks.
Amethyst is a type of mineral from the quartz family, not a rock. Quartz is formed in igneous, metamorphic, and sedimentary environments, but amethyst specifically is often found in metamorphic rocks.
Amethyst is a variety of quartz, which is a mineral that is formed in igneous and metamorphic rocks. Amethyst is typically formed in hydrothermal veins within igneous rocks or as a product of metamorphism in rocks rich in silica. Therefore, amethyst is not classified as a specific rock type, but rather a mineral that can be found in both igneous and metamorphic rocks.
No, a geode is not a metamorphic rock. Geodes are formed in sedimentary or igneous rocks and are cavities lined with mineral crystals. Metamorphic rocks are formed from existing rocks that undergo a transformation due to heat and pressure.
milky quartz is either metamorphic or igneous
metamorphic
No, sodalite is a metamorphic mineral, not a rock. It is a blue mineral commonly found in igneous rocks like syenite or nepheline syenite.
metamorphic
No. Igneous, sedimentary, and metamorphic rocks are three different categories of rock.
The three types of rocks - igneous, sedimentary, and metamorphic - are different in terms of how they are formed. Igneous rocks are formed from the cooling and solidification of molten material, sedimentary rocks are formed from the accumulation and cementation of mineral and organic particles, while metamorphic rocks are formed from the alteration of existing rocks due to heat and pressure within the Earth's crust.