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Mineral crystals get their color from the presence of certain chemical impurities or defects in their structure. These impurities can absorb or reflect different wavelengths of light, leading to the perception of color. The specific color of a mineral crystal can be influenced by its chemical composition, atomic structure, and how light interacts with its internal characteristics.
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Does crystals of a mineral come always in the same size?
No, crystals of a mineral can vary in size depending on the conditions under which they formed. Factors such as temperature, pressure, and the presence of impurities can influence the size of mineral crystals.
What is the streak of a tourmaline?
Tourmaline crystals can have a streak that ranges from white to colorless. The streak of a tourmaline mineral is usually lighter than its external color.
Are the crystals of a mineral are always the same size?
No, the crystals of a mineral can vary in size depending on factors such as growth conditions and the speed at which the mineral forms. Crystals can range from microscopic to very large sizes, even within the same mineral species.
What is a sulfide mineral with long metallic slender bladed crystals?
Stibnite is a sulfide mineral that has long metallic slender bladed crystals. It often has a shiny, silvery-gray color and is commonly found in hydrothermal veins. Stibnite is composed of antimony sulfide and is used in the production of antimony metal.
How does a basalt differ from gabbro?
Basalt is a fine-grained volcanic rock, usually dark in color, while gabbro is a coarse-grained intrusive rock that is also dark in color. Basalt tends to cool and solidify quickly on the Earth's surface, resulting in a fine-grained texture, whereas gabbro cools slowly beneath the surface, allowing larger mineral crystals to form.
How can mineral composition affect a rocks color?
No. It can vary from the visible color of the mineral and, since visible color of them ineral is not a reliable indicator of type, it is important to learn to use streak, (along with other factors), to correctly identify a mineral.
How to identify crystals?
Crystals have regular, flat faces that form at very specific angles to each other and reflect their atomic structure. To identify what type of mineral you have, consult mindat.org, or a library, or a university earth science department, a local museum with mineral exhibits, or a local mineral collecting club.
What is a mineral that appears in transparent hexagonal crystals?
What mineral that appears in transparent hexagonal crystals
What arrangement of atoms in a repeating pattern in a mineral causes the formation of?
The arrangement of atoms in a mineral sample can cause the formation of crystals.
What kind of rock is an amythyst crystals?
Amethyst crystals are a type of quartz mineral that is typically purple in color due to trace amounts of iron in the crystal lattice. They are prized for their vibrant color and are often used for jewelry and decorative purposes.
Does crystals of a mineral come always in the same size?
No, crystals of a mineral can vary in size depending on the conditions under which they formed. Factors such as temperature, pressure, and the presence of impurities can influence the size of mineral crystals.
Are gems made from crystals?
Gemstones are made from mineral crystals, yes.
What is the streak of a tourmaline?
Tourmaline crystals can have a streak that ranges from white to colorless. The streak of a tourmaline mineral is usually lighter than its external color.
Are the crystals of a mineral are always the same size?
No, the crystals of a mineral can vary in size depending on factors such as growth conditions and the speed at which the mineral forms. Crystals can range from microscopic to very large sizes, even within the same mineral species.
What do crystals always form?
a mineral
Formed by crystals and is inorganic?
A mineral.
What is a mineral that has a black color the rock type is extrusive the composition has small crystals?
It could be any number of minerals such as biotite mica, or hornblende.
