Although rare, deposits of native chromium exist.

Although female roles were performed by castrati in some of the papal states, this was increasingly rare ; by 1680, they had supplanted " normal " male voices in lead roles, and retained their position as primo uomo for about a hundred years ; an Italian opera not featuring at least one renowned castrato in a lead part would be doomed to fail.

Although this is a relatively rare instance of a female Confucian voice, Ban Zhao almost entirely accepts the prevailing views concerning women's proper roles ; they should be silent, hard-working, and compliant.

Isidore of Miletus and Anthemius of Tralles originally planned on a main hall of the Hagia Sophia that measured 230 feet by 250 feet, making it the largest church in Constantinople, but the original dome was nearly 20 feet lower than it was constructed, “ Justinian suppressed these riots and took the opportunity of marking his victory by erecting in 532-7 the new Hagia Sophia, one of the largest, most lavish, and most expensive buildings of all time .” Although Isidore of Miletus and Anthemius of Tralles were not formally educated in architecture, they were scientists that could organize the logistics of drawing thousands of laborers and unprecedented loads of rare raw materials from around the Roman Empire to create the Hagia Sophia for Emperor Justinian I.

Although carbonaceous chondrites are thought to be rare, some are very large and the suspected " dinosaur-killer " may have been a carbonaceous chondrite.

Although lanthanum belongs to the element group called rare earth metals, it is not rare at all.

Although its FPU performance fit scientific users quite well, its limited integer performance and high cost dampened appeal for most users, and the R8000 was in the marketplace for only a year and remains fairly rare.

Although neon is a very common element in the universe and solar system ( it is fifth in cosmic abundance after hydrogen, helium, oxygen and carbon ), it is very rare on Earth.

Although neodymium is classed as a " rare earth ", it is no rarer than cobalt, nickel, and copper ore, and is widely distributed in the Earth's crust.

Although it belongs to the rare earth metals, neodymium is not rare at all.

Although rare now, in the past there were bowlers who used the off-break action who deliberately did not impart any considerable spin on the ball but relied on line and length to frustrate batsmen.

Although in practice such instances are rare, they do exist.

Although encountering the flaw was extremely rare in practice ( Byte magazine estimated that 1 in 9 billion floating point divides with random parameters would produce inaccurate results ),< ref > both the flaw and Intel's initial handling of the matter were heavily criticized.

Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth's crust and is more common than such metals as tin.

Although in rare cases, a court may change the terms of the trust due to unexpected changes in circumstances that make the trust uneconomical or unwieldy to administer, under normal circumstances an irrevocable trust may not be changed by the trustee or the beneficiaries of the trust.

Although the acute porphyrias may cause episodes of confusion and psychiatric disturbance, dementia is a rare feature of these rare diseases.

Although plantain and banana allergy is not among the top five food allergies, it cannot be considered as a rare allergy, neither in children nor in adults.

Although the standards permit any type of environment, it is fairly rare to see low level languages like C used.

Although rare, such cases do exist and may sometimes be referred to as mixed-endian or middle-endian.

Although the great white is typically regarded as an apex predator in the wild, it is in rare cases preyed upon by the larger orca ( also known as the killer whale ).

Although corals first appeared in the Cambrian period, some, fossils are extremely rare until the Ordovician period, 100 million years later, when rugose and tabulate corals became widespread.

Although < sup > 4 </ sup > He continues to be produced by other mechanisms ( such as stellar fusion and alpha decay ) and trace amounts of < sup > 1 </ sup > H continue to be produced by spallation and certain types of radioactive decay ( proton emission and neutron emission ), most of the mass of these isotopes in the universe, and all but the insignificant traces of the < sup > 3 </ sup > He and deuterium in the universe produced by rare processes such as cluster decay, are thought to have been produced in the Big Bang.

Although the poem begins with Beowulf's arrival, Grendel's attacks have been an ongoing event.

Although historically inaccurate, the legend of the Greek messenger Pheidippides running to Athens with news of the victory became the inspiration for this athletic event, introduced at the 1896 Athens Olympics, and originally run between Marathon and Athens.

Although the Church of the Holy Sepulchre has its tomb just a few yards away from its Golgotha, there is no particular reason to regard this close juxtaposition as a necessity ; however, Gordon followed this principle, concluding that his site for Golgotha must also be the approximate location for Jesus ' burial, identifying a nearby tomb, now called the Garden Tomb, as the location for the event.

Although this is possible, such an event has a small probability of occurring, making it unlikely.

Although the Hebrew Bible describes this event as an ecstatic vision rather than a historical occurrence, later interpreters speculated as to the fate of these men, both before and after their revitalization.

Although he spoke with apprehension at his award speech about the danger which the authority of the prize would lend to an economist, the prize brought much greater public awareness of Hayek and has been described by his biographer as " the great rejuvenating event in his life ".

Although such disruption events are uncommon, they can cause a considerable concussion to occur ; the famed Tunguska event probably resulted from such an incident.

Although Wöhler was always cautious about claiming that he had disproved the theory of vital force, this event has often been thought of as a turning point.

Although he had been diagnosed with a pulled Achilles tendon two weeks earlier, Nurmi stated he would have won the event by five minutes.

Although no supernova has been observed in the Milky Way since 1604, supernovae remnants indicate that on average the event occurs about once every 50 years in the Milky Way.

Although women's races had been held in North America for some time and at the 1932 Winter Olympics in a demonstration event, the ISU did not organize official competitions until 1936.

Although the Orange Bowl was sold out for the event, unconditional blackout rules in the NFL prohibited the live telecast from being shown in the Miami area.

Although the Super Bowl had grown into America's biggest one-day sporting event by this point, many believe the 13th edition began the game's evolution to unofficial national holiday.

Although the safari was ostensibly conducted in the name of science, it was as much a political and social event as it was a hunting excursion ; Roosevelt interacted with renowned professional hunters and land-owning families, and met many native peoples and local leaders.

Although the meteoroid or comet appears to have burst in the air rather than hitting the surface, this event is still referred to as an impact.

Although previously separate states, England and Scotland had shared monarchs since 1603 when James VI of Scotland become James I of England on the death of the childless Elizabeth I, an event known as the Union of the Crowns.

Although the field was much smaller than the competitions of today, the event provided national pride when the home team won the tournament over their neighbors Argentina.

Although now a relatively obscure event in history, it was commemorated by a mustering of the Mayor, Sheriffs and soldiers on the day as a challenge to the native tribes for centuries afterwards.

On 13 July 2002, Fatboy Slim performed the second of his free, open air concerts on Brighton Beach, named The Big Beach Boutique II, Although organisers expected a crowd of around 60, 000 people, the event instead attracted an estimated 250, 000 who crammed the promenade and beach between Brighton's piers.

Although the United States competed in every Olympic luge event from 1964 through 1976, it was not until 1979 that the United States Luge Association was founded.

Although dead by the time the Vandal kingdom was overthrown in 534, he nevertheless played a key role in that event.

Although for the most part just a political event, the Dow closed at the 10, 785. 89 level on March 22, 2010 following the passage of the landmark Patient Protection and Affordable Care Act in Washington.

Although the Falles is a very traditional event and many participants dress in medieval clothing, the ninots for 2005 included such modern characters as Shrek and George W. Bush, and the 2012 Falles included characters like Barack Obama and Lady Gaga.

Although the race publicity ( athlete advice, timing charts and so on ) is mile-oriented, the individual timing splits that are available to competitors after the event are kilometre-oriented.

Although informally a witness includes whoever perceived the event, in law, a witness is different from an informant.