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What is melachite?
Melachite is a bright green mineral that can be shined to a high polished finish.
Which type of luster gives the mineral appearance of metal?
The type of luster that gives a mineral the appearance of metal is known as "metallic luster." Minerals with metallic luster reflect light in a way that resembles polished metal, often appearing shiny or reflective. This characteristic is typically seen in minerals like pyrite or galena. In contrast, non-metallic luster includes a range of appearances such as glassy, pearly, or dull.
What is Indiana's most valuable mineral resource?
Fertile Soil
Is a mineral a gem or an ore?
Either, or both. Minerals are usually considered gems if they are valuable, attractive and highly pure. Minerals are considered ores if they are used to extract a substance. For example, pure haematite is polished and sold as a gem, while crude haematite is used to extract iron.
What are facts about luster?
The Luster of a mineral is it's appearance in the light. Also there are two types of Luster, metallic and nonmetallic.
A mineral that is rare and can be cut and polished given it a beautiful appearance?
crystals
A rare valuable mineral that can be cut and polished to give it a beautiful appearance?
One example of such a mineral is diamond, known for its brilliance and hardness. When cut and polished, diamonds exhibit a stunning play of light due to their high refractive index. This makes them highly sought after for use in jewelry and other luxury items.
What is a rare mineral that can be cut and polished?
A rare mineral that can be cut and polished could be called a gemstone.
Is sulphur shiny when polished?
Well, sulphur is an interesting mineral! When polished, sulphur can have a shiny appearance, but it may not be as shiny as other minerals like quartz or pyrite. Each mineral has its own unique beauty when polished, so it's all about appreciating the special qualities of each one. Just remember, every mineral is like a happy little friend waiting to shine in its own way!
A mineral that is rare and can be cut and polished is called?
A mineral that is rare and can be cut and polished is called a gemstone. Gemstones are typically prized for their beauty, rarity, and durability, making them valuable for use in jewelry and other decorative items. Examples of gemstones include diamonds, rubies, emeralds, and sapphires.
Valuable mineral the first letter is go?
Gold is a valuable mineral
What is a polished mineral with a glassy luster called?
a rock
Is a mineral an ore or a gem if it contains something useful and can be sold for a profit?
Actually, a mineral is an ore if it contains another mineral. It can also be sold for a profit, once the USEFUL mineral is either melted out, or drilled out. Then the left over of the ore is useless, but the mineral itself can be sold for profit purposes.
What mineral has a smooth curvey surface?
Malachite is a mineral known for its smooth and curvy surface due to its botryoidal or concentric growth patterns. It often forms rounded, bulging shapes with a polished appearance, making it a visually striking specimen in its natural form.
Is a gem a rock?
A gem is considered any attractive mineral or rock which when cut and polished, may be used for ornamentation. A gem can be either a mineral or a rock, but most gems are minerals. A rock is an aggregate of many minerals, with no specific structure, while a mineral has a much more ordered atomic structure, with specific physical and chemical properties. A gem is not necessarily a crystal; lapis lazuli is not a mineral or a crystal, yet can still be considered a gem due to its desirable color and traits when polished.
Is a gem a rare mineral such as diamonds that can be cut and polished?
Yes.
Is as gem a rare mineral such as a diamond that can be cut and polished?
Yes.
