Australian black opals are the most valuable and widely known type of opal. Black opal is characterised by a dark body tone which can range from dark grey to jet black. (See the following chart). However this refers only to the general body tone of the stone, and is not related to the rainbow or spectral colours present in the opal. Some people expect a black opal to be completely black (in which case it would be completely worthless).
* http://www.opalsdownunder.com.au/articles/black.php
Uluru is made out of a type of sandstone called arkose, which is rich in the mineral feldspar. This gives Uluru its distinctive red color. Over millions of years, erosion and weathering have shaped Uluru into its current form.
What are the Pillars of the Earth and the Pillars of Heaven?
The Pillars of the Earth is a historical fiction novel by Ken Follett that depicts the construction of a cathedral in medieval England. The Pillars of Heaven is not a specific widely-known concept or term, but it could be interpreted metaphorically as representing strong support structures or core beliefs in various contexts.
What is the latitude and longitude of Melbourne Australia?
(Google Earth gives the Melbourne Town Hall as exactly 37 degrees, 48 minutes, 54.04 seconds south latitude and 144 degrees, 58 minutes, 0.16seconds east longitude, or 37.82 degrees S and 144.97 degrees E in decimal degrees).
37.8 degrees South 145.0 degrees East
The smallest cells are bacteria such as Mycoplasma genitalium and nanobacteria. These cells are much smaller than typical cells and have minimal cellular structures.
How far from Melbourne Australia to New Zealand?
The distance from Melbourne, Australia to New Zealand is approximately 2,167 kilometers (1,346 miles) across the Tasman Sea. This distance can vary depending on the specific locations in both countries. Traveling by air is the most common and fastest way to get between the two destinations.
Where are coral reefs located?
Coral reefs are either restricted or absent from along the west coast of the Americas, as well as the west coast of Africa. This is due primarily to upwelling and strong cold coastal currents that reduce water temperatures in these areas (Nybakken, 1997). Corals are also restricted from off the coastline of South Asia from Pakistan to Bangladesh (Spalding et al., 2001). They are also restricted along the coast around north-eastern South America and Bangladesh due to the release of vast quantities of freshwater from the Amazon and Ganges Rivers respectively.
Famous coral reefs and reef areas of the world include:
* The Great Barrier Reef - largest coral reef system in the world, Queensland, Australia;
* The Belize Barrier Reef - second largest in the world, Belize, Central America; and
* The Red Sea Coral Reef - located off the coast of Egypt and Saudi Arabia.
* Pulley Ridge - deepest photosynthetic coral reef, Florida
* Many of the numerous reefs found scattered over the Maldives
What symbol on a map shows national capital?
Whatever the mapmaker wanted to use. One of the more common ones is a star circumscribed by a circle, but there's no reason a mapmaker couldn't use a dollar sign or some other symbol if he wanted.
What state in Australia has not yet implemented Daylight Saving Time?
Queensland was the first state to reject daylight saving, and as a result, has been subject to many ill-informed jokes and derogatory comments about why Queenslanders rejected daylight saving. It should be noted that Western Australia has also now turned its back on daylight saving, after a trial of several years.
Greenland is the world's largest island, with an area of 822,706 square miles.
New Guinea is the second largest island at 488,400 square miles.
Borneo is Asia's largest island and is 287,000 square miles.
What are some characteristics of Australia?
Arid, hot, lack of water. Prone to droughts and flooding.
How many hours is Jamaica behind the you k?
Jamaica is 5 hours behind the United Kingdom during standard time and 6 hours behind during daylight saving time.
What type of natural resources are available in Mongolia?
Mongolia is rich in natural resources such as coal, copper, gold, fluorspar, and uranium. It also has significant deposits of iron ore, oil, and rare earth metals. The country's vast landscape also provides opportunities for renewable energy sources like wind and solar power.
Which two British cities are the closest together?
Manchester and Salford touch for miles. Leeds and Bradford (i think) or it could be Preston and Blackburn (which do not touch at all)
What is the map symbol for a national capital?
The symbol for national capitals is usually a star enclosed in a circle. Other cities are represented by different symbols, which often represent an approximate population number. Maps almost always have a key that tell you what each symbol means.
Where is a good place to retire?
A good place to retire is subjective and depends on individual preferences. Popular options include areas with mild climates, access to healthcare services, affordable cost of living, and a variety of recreational activities. Some popular retirement destinations include Florida, Arizona, and parts of the southeastern United States.
How much land does national parks take up in the US?
What is the maximum number of degrees of longitude?
The maximum longitude is 180°, at any point on the line directly opposite the Prime Meridian.
(The line which, combined with the Prime Meridian, forms a complete circle around the Earth
and through the poles.)
A global citizen is someone who takes care of the world and not just their environment but evebody elses.
Global Citizen is also the name of a bi-monthly magazine dedicated on how business shapes the world we live in.
How do you get around in Australia?
Travelling in Australia all depends on where you want to go. Transport is excellent in Australia and most places are fairly easy to get to. There are buses, cars, trains, trams and boats to get to where ever you need to go. The ticket prices are reasonable in Australia and public transport is reasonable comfortable and easy to travel on. If you want to really experience the variations of scenery within the country, take an outback train, or the car. The most popular form of transportation in Australia is the car. Gas - known in Australia as petrol (or diesel/distillate) - can be pretty expensive though, depending on the world price of oil. Petrol and diesel are more expensive away from the major cities, due to high costs of transportation.
What is the boundary of Australia?
You would find it almost impossible to draw the complete boundary of Australia. This is because Australia includes thousands of coastal and other nearby islands as well as many separated territories.
The largest contiguous Australian boundary is the perimeter of the continental body of Australia, where land meets sea. But then you also must trace the edges of the thousands of Australian islands plus those of the several Australian territories.
The territorial maritime boundaries around Australia extend to the following -
Off the northern coast: Thursday Island (39 km north of Cape York Peninsula) and the Torres Strait islands.
East: to the Coral Sea Islands Territory, Lord Howe Island and Norfolk Island (although Norfolk Island is an Australian territory, a passport is required for anyone, including Australians, to enter it).
In the west: to Heard and McDonald Islands in the southwest and Ashmore and Cartier Islands in the northwest. Further west beyond this, Australia's territory includes Christmas Island and Cocos (Keeling) Islands.
In the south: to Macquarie Island and the Australian Antarctic Territory.
Please see Web link for a list of the primary islands, and the territories, of Australia.
See also Related LinksSee the Related Links for "Wikipedia: List of Islands of Australia" to the bottom for the answer.
All rocks are solid. Igneous, metamorphic, or sedimentary.
Who is Margaret Lindsay Murray Huggins?
Margaret Lindsay Murray Huggins was a British astronomer known for her work in astrophotography and spectroscopy. She collaborated with her husband, William Huggins, in pioneering the use of spectroscopy to study the composition of stars. She was the co-founder and first female member of the British Astronomical Association.
Granite comes from rock quarries. There are several in India, Africa and Brazil. From the quarry, the stones go to granite stockyards where they are processed into building materials or gravestones.