Saturday, November 9, 2013

Opal ring, jewelry,Opal jewelry, Opals,Black opal from my opal mine.



Australian Opals are the best & the best of the best come from the 3 mile Lightning ridge at  http://www.grahamblackopal.com . I have the only heritage Opal mine that is still leased in Australian at the 3 mile have a look at the mine   . FOR SALE ONLY  $140 US this is a wholesale price ,all types of gemstone's,ruby's,ect you must test before buying.
youtube >  http://youtu.be/LHQ_R0PLPOs    Buy Opal rings,Black opal ring,Semi Black opal rings,Opal jewelry. 
Opal from my 3 mile mine Listed on State Heritage Register. List as an item of environmental heritage in LEP National Trust of Australia Register.

Wednesday, November 6, 2013

plus.google.com/+Grahamblackopal/videos

 My new plus.google.com
https://plus.google.com/+Grahamblackopal/videos


The value of an opal have many factors, type of opal, body tone Black opal, dark opals, white opal, crystal opals, brilliance, opal gemstone pattern, opal colour bar thickness, the play of colour. Is the opal sold a doublet a triplet opal ect ? .   Very good patterns include; Harlequin, Flagstone, Ribbon, Straw, Floral,Chinese Picture stones, resemble animal, object, landscape, person.Broad Flash,Pinfire,Rolling Flash.     Faults Colours pattern when viewed from different directions also has an influence.  Sand and various other minerals can be found as inclusions , a crack in the face can render almost worthless. Crazing many small cracks in the opal's face  . Windows lacking in colour,  faults lines, webbing, grey lines, black lines. Potch, brown on the surface of the opal gemstone will drop the value.       Crystal opal refers to the transparency - opal - not its crystal structure - defined as any type of opal which is translucent to transparent.    Brilliant play-of-colour range of the full spectrum of colours, the internal structure . Red fire opal is generally more valuable than a mainly green ect.        Brilliance refers to the brightness and clarity of the colours af opal gemstones, ranges from brilliant , bright , dull.           Taken into account when valuing the opal gemstone the thickness of the colour in opal, Queensland boulder opal typically has a very thin colour , overall size and shape of the opal gemstone stone.             The cut & polish the size of the stone, being valued, opal is carefully examined and given a price 'per carat', overall carat size of the opal gemstone will then determine the price of the opal.