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Lilypond5 miner

on 4 November 2013

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Transcript of Gemstones

Hi, my name is Lily, and today I'll be talking to all of you about 4 gemstones, the Diamond, Emerald, Sapphire and Opal.

The value depends on the clarity, colour, and size/shape. The value of diamonds are very rich, so I decided to compare diamonds and emeralds. The diamond is the most popular, but the emerald is more rare.
Answer: KOOR I NOOR ( The Mountain of light)
The koor i noor is the most famous diamond in the world. It was mentioned in 1304 and it had 186 carats. It was cut like an opal. This diamond now weighs 108.93 carats.

Mohs scale
7.5 0n the mohs scale. along with hardened steel, tungsten, and spinel.
Biggest Emerald
Answer: The Bahia. It has 180,000 carats and costs $400 million dollars. It was found in California,USA, on the 9th July, 2001. The appraised price for the Bahia emerald was $372,000,000.

The finest emeralds have more value than diamonds. The value of emeralds are not judged on clarity. The value of an emerald is determined by the colour, the depth, and the light reflection.
The most finest and best emeralds are in Colombia, Zambia, and Brazil. Chifor and Muzo are the major mining parts in Colombia. Emeralds are also found in Pakistan, Afghanistan, Russia, Australia, United States, and in other places too.

Mohs scale
It has a 9.0 on the mo scale.
A sapphire’s value is determined by the colour, the secondary colour, the tone of the colour and the brightness of the colour/hue.
Sapphires come from Thailand, Sri Lanka, Madagascar, Tanzania and Australia.
The best sources of sapphires comes from
Kashmir region of India, and Burma.
Here's a map.
The mohs scale judges how hard a gem or mineral is. The higher the number is, the harder, and the lower the number is, the softer. How the scientists recorded the information, they did a scratch test.
Answer: The rarity of diamonds are based on colour and size. The rarest diamond based on colour is the Blue Ocean Dream Diamond. It is said that it is known for it’s one of a kind colour.
The rarest diamond according to size is the Cullinan Diamond, because it has 3,106 carats.
Largest Diamond
Cullinan diamond: 3,106 carats, found in africa 1905 at the Premier Mine.
it was given to King Edward Vll as a gift for loyalty. There were 8 big pieces, and the rest were small. Three of the big ones were made into a brooches, another was sewed onto a dress, one is in the royal sceptre, another was made into a bracelet, another, the crown, and one more, the ring. There was a ninth one, but it has dissapeared.

Since emeralds are judged on colour, depth and light reflection, a rare emerald could not be yellow or brown, that would be judged badly with the judges. Also, the depth is judged so that it could have a good appearence on the colour, and if the light reflection was bad, it would be not a true emerald.
Mohs scale

The diamond has a 10+ on the mohs scale.
Most diamonds are found in Africa, But they are found all over the world. Here is a map:
Opals are based on the colour, clarity, how it is cut, and the lighting. The colour is sometimes multicolour, but for example, if an opal was blue green, the colour will be green. The colour is judged either dull, bright or brilliant. The shape people want the opal is mostly round or cabochon cut.
BYE BYE!!! :)
Mohs scale
It is a 5.5 to 6 on the mohs scale.
Opals are the national gem of Australia. Australia has 97 percent of the worlds opals. The rest are found in found in Brazil, Guatemala, Honduras, Indonesia, Japan, Mexico, Russia and the United States (Idaho and Nevada).

Cullinan diamonds

Types of sapphire
Blue sapphire, pink sapphire, the Padparadscha, orange sapphire, yellow sapphire, golden sapphire, purple sapphire, colour change sapphires, green sapphires, white sapphires, red sapphire and star sapphires.

Rarest sapphire
The Padparadscha. It has a orangy pink colour and has an higher value than blue sapphires. It was originally found in Sri Lanka, but also found in Vietnam, and parts of East Africa.
Types of opal
Opal come in all colours, and it can cause flashes of rainbow. There is precious opal, black opal, white opal, black crystal opal, fire opal, harlequin opal, jelly opal, boulder opal, matrix opal, common opal, agate opal, angel skin opal, girasol, honey opal, hydrophane, porcelain opal, prase opal, moss opal, wax opal and wood opal.



January - Garnet
February - Amethyst
March - Aquamarine
April - Diamond
May - Emerald
June - Pearl and Moonstone
July - Ruby
August - Peridot
September - Sapphire
October - Opal and Tourmaline
November - Yellow topaz and citrine
December - Blue Topaz, aquamarine & tanzanite
Mythical birthstones
January - Emerald
February - Bloodstone
March - Jade
April - Opal
May - Sapphire
June - Moonstone
July - Ruby
August - Diamond
September - Agate
October - Jasper
November - Pearl
December - Onyx
January - Garnet
February - Amethyst
March - Bloodstone
April - Diamond
May - Agate
June - Pearl
July - Ruby
August - Sapphire
September - Moonstone
October - Opal
November - Topaz
December - Ruby
ill give it $3000000
ill give it this
A rare pink oval cut diamond has been set to go to auction in November 2013. It is estimated that it will sell over for 60 million US dollars. It has 59.60 carats.
Black opal
Black opal is the most valuable opal in the world. This opal can come in many colours, because most of the time, black is an opal's base colour.
The Teodora is the world's largest emerald SO FAR. People are still testing it to see if it is real. It has 57,500 carats and is the size of a watermelon.
Compare and contrast
Kashmir region
A carat is a unit of mass equal to 200mg
Full transcript