The largest cut rubellite cat’s eye is 295.08 carats (59 g; 2.08 oz) and measures 36.74 x 32.02 x 28.74 mm (1.44 x 1.26 x 1.13 in). It is owned by Sushmorre (Singapore). Cat’s eye rubellite belongs to the natural tourmaline species. The colour of the gem is purple red.
The largest cut Paraiba Tourmaline, named Ethereal Carolina Divine Paraiba, is owned by Billionaire Business Enterprises Inc. (Canada). It measures 36.44 x 33.75 x 21.85 mm (1.43 x 1.33 x 0.86 in) and has a weight of 191.87 carats, and was unveiled in Montreal, Quebec, Canada on 14 October 2009. Shape: Oval Cutting style: Crown – Modified Brilliant Cut Cutting style: Pavillion – Modified Brilliant Transparency: Transparent Colour: Blue
The largest cut cat’s eye apatite is 1,861.50 carats (372.3 grams; 13.13 oz) and measures 65.67 x 64.97 x 52.44 mm (2.58 x 2.55 x 2.06 in). It is owned by Sushmorre (Singapore). GIA report confirms that gem quality apatite cat’s eye may be recovered from many sources around the world, but the vast majority of material from all these sources usually produces only small, high quality finished stones or large stones of lower quality. Rough crystals that will cut large fine stones are occasionally
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The largest cut alexandrite is 141.92 carats (28.38 grams; 1 oz) and measures 34.42 x 27.38 x 15.00 mm (1.35 x 1.07 x 0.59 in). The most distinctive feature about alexandrite is its ability to change its colour. It is green by daylight and red by incandescent light.
The record for the largest curry is 10.3 tonnes (22707.61 lb) and was achieved by Abdul Salam (UK) of the Eastern Eye Restaurant in Lichfield (UK) during the Lichfield Festival on 16 July 2005.
The largest trading volume in a single stock in one day took place on January 7, 2000 when 136,846,600 shares were traded in Lucent Technology on the New York Stock Exchange.
The largest dagger measured 91.50 cm (36.02 in) in length and 21.60 cm (8.50 in) at its widest point and was achieved by Oman Telecommunications Company (Omantel) in Muscat, Oman, on 12 November 2011. The dagger was produced as a gift to His Majesty Sultan Qaboos Bin Said, to celebrate his 40 years of accession. The dagger was a Khanja- a traditional Omani dagger and Oman’s national symbol. The dagger was made from wood and silver, with ornate carvings and mouldings.
The largest dabke dance consisted of 5,050 dancers and was organised by Sakha Jean Yacoub Moujaes (Lebanon), in Dhour El-Shweir Main Street, Matn, Lebanon on 7 August 2011. The record attempt was part of Lebanon Alertness Day, which also featured awareness campaigns on the dangers of tobacco, drugs and speeding. Other activities included musical performances by Lebanese artists such as Toni Kiwan, Sami Clark and Hisham Hajj. A Harley Davidson show also took place to raise awareness on motorcycle safety.
Cyclotrons are a type of particle accelerator in which charged particles, such as protons, are accelerated using a high frequency alternating voltage. The particles move in a spiral so that they meet the same accelerating voltage numerous times. The largest is the 18 m diameter machine at TRIUMF, the Canadian lab for particle and nuclear physics. The protons inside this cyclotron travel 45 km as they spiral outwards, gradually reaching their maximum energy of 520 mega electron volts. The TRIUMF cyclotron has been in operation
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The world’s largest cut tanzanite weighs 252.2 carats. It was cut in Jaipur, India, and acquired by Stephen Leigh Jewelers, Quincy, Massachusetts, USA in 2002.