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Yes, it does.
They don't tend to occupy a particular colour since they are crystals it is assumed that it is clear.
Raphide crystals are needle-like crystals found in certain plants, particularly in the cells of specialized tissues called idioblasts. These crystals can cause irritation or a burning sensation when they come into contact with the skin or mucous membranes, acting as a defense mechanism against herbivores.
They don't tend to occupy a particular colour since they are crystals it is assumed that it is clear.
There is no definitive information about the functions of raphide crystals but it is highly suggested that they serve as a defense mechanism against herbivores. These crystals are commonly found inside a chamber in plant cells that are called idioblasts.
needle-shaped crystals of calcium oxalate as the monohydrate or calcium carbonate as aragonite, found in more than 200 families of plants.
There is no definitive information about the functions of raphide crystals but it is highly suggested that they serve as a defense mechanism against herbivores. These crystals are commonly found inside a chamber in plant cells that are called idioblasts.
By definition, a mineral must have a crystal structure.
According to "A Dictionary of First Names" by Hanks and Hodges, the name Crystal is an English name for a girl and was created in the 19th century. Several names that were taken from or suggestive of gemstones were created in that period. The word "crystal" comes from the Greek "krystallos," meaing "ice."
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The regular pattern in which a crystal is arranged
Yes. Having a crystal structure is part of the definition of a mineral.