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Are andalusite sillimanite and kyanite sedimentary rocks?
No, andalusite, sillimanite, and kyanite are not sedimentary rocks. They are metamorphic minerals that form under high-pressure and high-temperature conditions from the metamorphism of aluminum-rich rocks like schist or pelitic rocks.
What is Delawares state gem?
what is the name of the state stone in delaware
What are two examples of index minerals?
Two examples of index minerals are kyanite and staurolite. These minerals are used by geologists to determine the metamorphic grade of a rock based on their presence and abundance.
What are the chemical formula of metamorphic rocks?
There are many minerals in metamorphic rocks eg. Phyllites contain micas , Amphibolite contains amphiboles, quartz, and plagioclase. Other minerals include feldspars, biotite, pyroxenes and others such as calcium carbonate as in marble ..a result of the metamorphism of limestone.
What is the difference between green and blue kyanite?
The difference between the green and blue kyanite is their colors.
What is kyanite mostly used for?
Kyanite and its two related minerals, andalusite and sillimanite, are used primarily in the glass-making, metallurgy, refractory, and ceramic industries.
Are andalusite sillimanite and kyanite sedimentary rocks?
No, andalusite, sillimanite, and kyanite are not sedimentary rocks. They are metamorphic minerals that form under high-pressure and high-temperature conditions from the metamorphism of aluminum-rich rocks like schist or pelitic rocks.
What are examples of index mineral?
kyanite and sillimanite
What is Delawares state gem?
what is the name of the state stone in delaware
Which mineral is commonly found in the three matamorphic rocks slate schist and gneiss?
granite
What are two examples of index minerals?
Two examples of index minerals are kyanite and staurolite. These minerals are used by geologists to determine the metamorphic grade of a rock based on their presence and abundance.
What are the chemical formula of metamorphic rocks?
There are many minerals in metamorphic rocks eg. Phyllites contain micas , Amphibolite contains amphiboles, quartz, and plagioclase. Other minerals include feldspars, biotite, pyroxenes and others such as calcium carbonate as in marble ..a result of the metamorphism of limestone.
What has the author David Joseph Hall written?
David Joseph Hall has written: 'Compositional variations in biotites and garnets from kyanite and sillimanite zone mica schists, Orange area, Massachusetts and New Hampshire' -- subject(s): Biotite, Garnet
What is an example of a blue mineral?
The most blue crystals I know of are, Copper sulphate crystals, topaz, and sapphire
What is the density of kyanite?
Kyanite has an average density of 3.61.
Is kyanite silicate or non silicate?
Kyanite is a silicate. Sometimes called an aluminiosilicate. It has a chmical composition of Al2SiO5 It has variable colors when found in nature- this is due to contamination with small amounts of metals ions such as iron, titanium.
Is kyanite magnetic?
No, kyanite is not magnetic. It is a naturally occurring mineral that does not possess magnetic properties.
