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Minerals

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In Minnesota, more seasonable temperatures have helped solidify trail bases throughout the state. Many ski trails in the far northeast at Ely, Grand Marais, Hibbing and International Falls are reported to be in good to excellent condition.

What is worth buying in the USA? - Definitely make-up, shoes, jeans, clothing, watches are cheaper than in many other countries. Household linens are also worth considering; but take your bed / pillow measurements with you as they are not all the same.

How is the train ride from Gothenburg to Copenhagen? - Beautiful countryside and buildings. Definitely do it by train if you have the time. There is a lot of English speaking people in Denmark & Sweden. Do a day train trip from Copenhagen to Sweden. Great experience and no problems.

You will have an awesome time in Disneyland and Disney California Adventure. You will need 5 - 8 nights with a 3 or 5 day Disneyland pass; then Hollywood 3-4 nights; 1 day Universal, 1 day six flags and a 2 day hop on hop off bus to see the sights. Then fly to Las Vegas.

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Minerals

A brief account of some minerals

(1) Apatite. It is a compound of Calcium phosphate. It is red, brown, yellow or green. Phosphorous and Fluorine is obtained from it.

(2) Barite. It is Barium Sulphate. Its relative density is 4.5. It has a white or brown colour. It has a pearly lustre. It occurs in granular of crystalline masses. It is used in glass, rubber-chemical.

(3) Bauxite - It is non-crystalline soft and occurs in small pellets. lt is an Hydrous Oxide of Aluminium. In pure form it is white and brown. It is also red, yellow and brown if there is an impurity of iron in it. Aluminium is obtained from it.

(4) Calcite - it is calcium carbonate. It is white or colorless. It is an important ingredient of limestone, chalk and marble.

(5) Chlorite - it is hydrous Magnesium Iron. Aluminium, Silicate, like Mica crystals, it has cleavages but unlike Mica it is non-flexible. It is of green colour.

(6) Cinnabar - It is Mercury Sulphide. It is soft, heavy, deep red or brown. Mercury is obtained from it.

(7) Corundum - It is Aluminium Oxide. It is hard, heavy, brown or light blue and has six sided crystals. Examples- Ruby, Gem and Sapphire.

(8) Dolomite - It is a double carbonate of Calcium and Magnesium. It is white. It is used in making cement and is also used in Iron and steel industries.

(9) Galena - It is Lead Sulphate. It is black, brittle, heavy and occurs in cubes. Lead is obtained from it.

(10) Gypsum - It is hydrous Calcium Sulphate. It is soft, white or colorless and pearly in crystals. Many idols and objects of arts are made of it.

(11) Haematite - It is red oxide of Iron. It is found in sedimentary rocks. Iron is obtained from it.

(12) Kaolinite - It a known as China clay. It is hydrous Aluminium silicate. It is found in light colors. In the wet condition, it is plastic and can be converted into my shape. It is used for making paper, china clay, tiles and crockery.

(13) Magnesite - It is white and non-crystalline. It is known as Magnesium Carbonate. It is used as refractory material in furnaces.

(14) Magnetite - It is black Iron Oxide. It is found in igneous rocks. Iron is obtained from it.

(15) Pyrite - It is Iron Sulphide. It is hard, yellow and brittle, Iron and sulphuric acid are obtained from it.

(16) Talc - It is hydrous Magnesium Silicate. It is soft, soapy, white or brown or light yellow. It is used in making paints, rubber, crockery, roofs, paper, plastic and insecticide.

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Germany - Cologne

Cologne Cologne is situated on the beautiful Rhine River.

Locals hypothesize that the legacy of Italian blood and culture in Cologne, colonized by the Romans more than 1500 years ago, makes the people more jovial and lighthearted. Cologne is the largest city on the Rhine.

Kolsch is not only the dialect spoken here but, also the name of their own top-fermented beer. There are more than 4,000 pubs, restaurant's and brewery taverns in Cologne.

Unlike many of the world's large cities, Cologne, with a population of over a million, gets better every day, there are more things to do and see, more new and innovative buildings... more

Travel is an opportunity to learn, whether geography, languages, history or other subjects.

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