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A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.

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Obsidian is a mineral not a rock

Obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of   viscous lava from volcanoes

Obsidian was used to make knives, arrowheads, spear points, scrapers.

Obsidian is also known as "nature's glass" because of its glassy appearance.

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diamonds are known for bieng shiny, expensive, almoast imposible to break because its theyre the hardest metal, and theyre known as a girls best friend. here are some facts about diamonds: a candle flame contains millions of tiny diamonds, scientist can turn actual human ashes into diamonds(creepy), diamonds werent always mined, and the ureka diamond was discovered by a 15 year old boy.

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metamorphic rock:
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.

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ROCKS AND MINERALS They are made up of layers of minerals, rock particles or organic materials. The layers are formed over time as materials carried by water are deposited at the bottom of lakes, rivers and oceans or are transported by wind or ice along the Earth's surface.

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Diamond come from carbon and they are the hardest mineral in the world.

Diamonds are use for jewerly and for industrial use.

There are diamonds in space. The largest diamond is a dwarf planet and weight 2.27 thousand trillion tons.

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The first historical references to the use of crystals come from ancient the Ancient Sumerians, who included crystals in magic formulas. The Ancient Egyptians used lapis lazuli, turquoise, carnelian, emerald and clear quartz in their jewellery. ... The Ancient Egyptians used stones primarily for protection and health.

. It is very common in sedimentary rocks such as sandstone and shale

Many types of crystals are very beautiful to look at and are used to make jewelry

|P|eople pay a lot of monay to buy the cristal

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Sapphire

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Sapphire

The sapphire comes from Sri Lanka, Burma (Myanmar), Thailand, Cambodia, Madagascar, Tanzania, Australia, and the U.S. (Montana). The Kashmir region of India and Pakistan.

Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium.

Sapphire is used in all forms of jewelry, including bracelets, necklaces, rings, and earrings. It is used both as centerpiece gemstone in pendants and rings, as well as a secondary stone to complement other gemstones such as Diamonds.

Sapphires are among the most durable naturally occurring elements in the world.

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Amethyst Crystal
It is a mineral or a gem it comes from Minas Gerais in Brazil, it help us with physical ailments, emotional issues, and in Energy Healing and Chakra balancing.
It is like the Quartz but in purple, today the four major global sources for Amethyst are Brazil, Uruguay, Bolivia and Zambia, it is considered one of the most powerful crystals.
I like it because it is purple and i like the color purple and it is interesting.

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The mineral quartz came from tropical countries, is a mineral, is for jowls and dowse tings, and is a crystal.
by: Menahem Khafif

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Rock or mineral

gold

The Origin

The space

The Type

Yellow gold is made of pure gold mixed with alloy metals such as copper and zinc.

Usage

Jewelry, medals, trophies

Interesting Fact

Do you now that the biggest piece in the world of gold was found on el 5 de febrero de 1869.

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Although not an important rock-forming mineral, sulfur is still a crucial resource for human societies. Sulfur is a native element as well as a mineral. Its crystal form consists of transparent to translucent crystals that have an unmistakable deep yellow color.

Luster: Crystals are resinous, while the massive ...

Color: Deep to pale yellow

Streak: Yellow

FACT
1 It is the 10th most abundant element in the universe.
2 It's found in meteorites and on Earth mainly near volcanoes and hot springs.
3The abundance of the element is higher in the core than in the Earth's crust.
4It's estimated there is enough sulfur on Earth to make two bodies the size of the Moon.

TYPE

As a mineral, sulfur is a bright yellow crystalline material. It forms near volcanic vents and fumaroles, where it sublimates from a stream of hot gases. Small amounts of native sulfur also form during the weathering of sulfate and sulfide minerals

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The copper was first in Turkey, Iran and Iraq.

The copper is a mineral.

Is use to make the American and Panamanian pennies and is also used to for the electrical wires.

Copper is a natural metal. It absorbs heat very easily which is why we sometimes use it to make pots and pans for cooking. We use it in electrical wires too because electricity flows through it really easily.

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By: David Cohav

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Shelly limestone is a highly fossiliferous limestone, composed of a number of fossilized organisms such as brachiopods, bryozoans, crinoids, sponges, corals and mollusks. It varies in color, texture and hardness. Coquina is a poorly indurated form of shelly limestone.

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Shelly limestone is a highly fossiliferous limestone,

composed of a number of fossilized organisms such as brachiopods, bryozoans, crinoids, sponges, corals and mollusks.

It varies in color, texture and hardness.

Coquina is a poorly indurated form of shelly limestone.

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RUBY

Origin: The Mogok Valley in Upper Myanmar (Burma), Asia, was for centuries the world's main source for rubies.

Types of Rubys:
Pure synthetic.
Star opaque.
transparent star.

Usage:
They have been widely used in the manufacture of mechanical watches, in which they serve as a support or bushing for shafts subjected to rotations since their hardness resists wear by friction.
They also have important industrial applications for creating helium-ruby and pure ruby lasers.

Interesting Fact:
1. Rubies are extremely strong, registering 9 on the Mohs scale of hardness.
2. They are as resilient as sapphires and only slightly softer than diamonds.
3.  Rubies have been found all over the world, including in Asia, Africa, Australia and the USA.}
4. Ruby comes from the word ruber, that means "red" in Latin.

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Peacock Ore is also known as Bornite, is a sulfide mineral with chemical composition; the usual color is shades of blue, purple, green, gold and black.

In physical healing it is used to stimulate adrenaline and encourage the production of calcium within the body.

Fun fact

Peacock Ore is a stone of happiness and joy, it is said to turn you in positive directions, and help channel happiness to others.

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Name of rock obsidian the origin Obsidian is a naturally occurring volcanic glass formed  as an extrusive igneous rock. Type of rock igneos ussage Obsidian was used to make knives, arrowheads, spear points, scrapers, and many other weapons and tools. Once these discoveries were made, interesing fact Obsidian is also known as "nature's glass" because of its glassy appearance.

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Sedimentary rock

The origin: Air, ice, wind, gravity, or water flows carrying the particles in suspension.
Type: Is a rock and is formed by sediment.
Usage: Oil, natural gas, coal, and uranium.
Interesting fact: Sedimentary rocks are formed by sediment that is deposited over time, usually as layers at the bottom of lakes and oceans.

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metamorphic rock:
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.

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Diamond
Africa, Russia, Australia, and Canada produce the most diamonds.  Volcanic activity brought diamonds closer to the Earth's surface.   Diamonds are mined in areas .
Type:

Diamond is the hardest naturally occurring mineral, in the Scale of Hardness with a hardness value of 10.
Used:

Diamond are used in the industry to make jewelry like diamond earrings, rings, necklaces, and bracelets.
Fact

Did you know not all diamonds are colourless? The extremely rare diamonds come in different shades of red, blue, pink, yellow, brown, black, orange and green.

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by: Hyman Harari

Name: opal or SiO.  nH2O

Origin: More than 90% of the world's precious opals come from Australia, and the rest can be found in other parts of the world such as Mexico, Brazil, Indonesia, Czech Republic, Ethiopia and USA.

Type: Mineraloid and it’s made from silica

Usage: trains, buses, ferry’s , light trails and more

Interesting fact: it is only made of silica and water and it’s one of the most precious gemstones.

THANK YOU

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Burmese Tourmalin

Comes from Brazil and Africa. Some placer material suitable for gem use comes from Sri Lanka and India.

Tourmalines of all colors are faceted into gems for jewelry.

Is the accepted gem for the 8th wedding anniversary. The name Tourmaline comes from the Sinhalese (Sri Lanka) word tura mali which translates as the stone of mixed colors. These stones are 7 to 7.5 on the Mohs scale of hardness.

Is a mineral and its very beautiful,
i choose his rock because it is very attractive and beautiful, and also is like a diamond, very cool.

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Red Diamond
1  A red diamond is a diamond which displays red colour and exhibits the same mineral properties as colourless diamonds. Red diamonds are commonly known as the most expensive and the rarest diamond colour in the world.
The majority of red diamonds that are mined each year come from Africa, Australia and Brasil.
Red diamonds are among the most expensive gemstores on average, can cost at least 1 million dollards, and the usage is to make jewerly.

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Obsidian is a mineral not a rock

Obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of   viscous lava from volcanoes

Obsidian was used to make knives, arrowheads, spear points, scrapers.

Obsidian is also known as "nature's glass" because of its glassy appearance.