Nature,Fireworks,Beginner,Guid education Nature's Fireworks - A Beginner's Guide to OPAL Parts 6 /7:
Translation jobs are undertaken by professional translators who are well versed with at least two languages.Translation can work at two levels: inter-state or regional language translation and inter-national or foreign language translation. Some forms of parent involvement with the school such as communications with school, volunteering, attending school events and parent--parent connections appeared to have little effect on student achievement, especially in high school. Helpi
Valuing OpalsWhen determining the value of an opal, several factors are involved:Type of opalSoundnessBase colourFire colourColour patternBrightness of fireBackground (base) Colour:Solid precious opal is more valuable than a doublet or triplet, and black opal is more valuable than boulder opal, and so forth. The darker the body colour, the more valuable the gem.Fire Colour:The clarity of the opals colour is critical when determining the value of the opal. Opal is graded according to its colour, with red fire being the most rare, followed by green/orange, green/blue, blue, and finally, purple. However, brilliance and clarity of colour, along with proportional pattern are the main decision makers; a brilliant blue/green opal can cost more than a dull red. An opal displaying a bright pinfire pattern can cost more than a cloudy open pattern of similar colouration.Colour Pattern:Nearly all opal displays some type of pattern, with no two opals being alike.The various patterns are:Harlequin:The most prized of all nice patterns and its name is derived from its likeness to floral dress material.Pinfire:Closely resembles a mass of pinheads in different colours.Mobile rolling Flash:Consists of one colour, which travels across part of or all of the stone as it is moved.Palette Pattern:As the name suggests, resembles an artists palette.Soundness:Opal should be free from cracks and flaws.OPAL DICTIONARYTERMAgitator: Modified cement mixer used to wash dirt awayfrom precious opal.Boulder Opal: Formed in cavities and cracks of Ironstone,usually from Queensland, Australia.Black Opal: Naturally occurring solid opal with a colouredface and black backing.Blower: A large truck mounted vacuum cleaner used tosuck dirt to the surface.Cabochon: The rounded surface of a cut stone.Crystal: Transparent/translucent opal.Doublet: Opal with an attached dark coloured backing.Drive: A horizontal underground tunnel.Free-Form: A naturally shaped opal something other thanoval or round stone.Harlequin: Type of opal pattern with a checkerboardappearance, rare and expensive.Hoist: A bucket attached to a framework in a shaft,used to carry dirt to the surface.Level: Usually the layer of opal bearing dirt.Matrix: Any material with specks running through it.Nobby: Nodule of opal almost exclusively fromLightning Ridge.Parcel: A collection of any number of opals, eitherrough, rubs or cut, offered for sale.Pinfire: Type of opal pattern where specks of differentcolour covers the whole stone.Potch: Opal without any colour, also called commonopal.Puddler: Forerunner of the agitator, a mesh drum.Rough: Opal in its natural state, as it comes out of theground.Rubs: Opal pieces intially shaped with the waste material,sand removed but not yet cut and polished.Seam: Opal found in a layer rather than in nobbies.Shaft: A vertical hole down to a mine.Solid: A natural occurring solid piece of opal, cut into astone.Tailings: Material left after opal dirt from the mine hasbeen washed.Triplet: A stone comprising a thin layer of natural opalwith an attached dark backing and a clear quartzcapping.Windlass: Forerunner of the hoist, hand operated device forraising buckets of opal dirt to the surface byby means of a cable and drum with handles.Yowah Nut: Small ironstone boulder, containing opal either asa solid kernel or in concentric layers.That concludes this 7 part series. I hope you have enjoyed reading - "Natures Fireworks" - A begginers Guide to Opal.Together, these six articles when printed out, combine to give the novice, opal enthusiast or collector who has a little or no understanding of opals an insight into the world of these Queen of Gems.Best wishes and have a great dayStuart Bazgawww.kulpunyaopals.com
Nature,Fireworks,Beginner,Guid