Opal Endeavours

Natural Australian Boulder Opal & Opal Jewellery

Every Item Is Unique!

Solid Sterling Silver Pendant with Sparkly Natural Australian Bo
[Silver Pendant FG568]
AUD$123.75
 

Quality crafted with swinging bail in 925 sterling silver and rhodium plated to prevent tarnishing. Sparkly multicoloured natural boulder opal pendant. The opal is from our mine in the Quilpie district in western Queensland. It is placed on a 3mm black rubber with a length of 44cm.

Stone size: 24mm x 9.5mm

Inside bail width: 5.5mm x 3.5mm wide.
Comes GIFTBOX with FREE polishing cloth.

What is Boulder Opal?

Boulder opal is the term used to describe precious opal that has formed as part of ironstone boulders by impregnating the boulder and in-filling cavities and cracks (either partially or fully).

The opal quality may be uniform throughout the vein or may vary with different patterns and colours.  Potch bars or intrusions of potch and ironstone will affect quality.

The larger and more uniform patterns of colour are generally found in horizontal veins and pockets. The vertical veins generally produce bar patterns and can also carry gem colour and patterns.

Advantages of Boulder Opal

  • Generally cheaper than a similar looking black opal
  • Larger faces and stones are more readily available
  • Wider range of colours (eg: white, crystal, black)
  • Found only in Queensland, Australia
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    Flashy Solid Australian Pipe Opal
    From our mine in the Quilpie district in western Queensland comes this orange flashy solid pipe opal (unfortunately some pictures showing more green than orange).  It has natural adhering sandstone still on the back.  Pipe opal occurs when fragments of  tree roots or any organic material are trapped in sediments on an opal level and in time some of resulting cavaties are replaced by potch or precious opal.  The sandstone has been stabilised with a polymer resin to increase strength and durability and avoid chipping during setting process.  (Solid opal - Not a doublet)Stone size: 14mm x 8.5mm x 2.5mm thick.Stone weight: 1.90cts
    From our mine in the Quilpie district in western Queensland comes this orange flashy solid pipe opal (unfortunately some pictures showing more green than orange). It has natural adhering sandstone still on the back. Pipe opal occurs when fragments of tree roots or any organic material are trapped in sediments on an opal level and in time some of resulting cavaties are replaced by potch or precious opal. The sandstone has been stabilised with a polymer resin to increase strength and durability and avoid chipping during setting process. (Solid opal - Not a doublet)

    Stone size: 14mm x 8.5mm x 2.5mm thick.

    Stone weight: 1.90cts (Flashy Pipe Opal K684)
      AUD$99.00
    Sterling Silver Black Opal Pendant
    Solid Black Opal from Lightning Ridge set in solid 925 sterling silver with swinging bail.
    Solid Black Opal from Lightning Ridge set in solid 925 sterling silver with swinging bail.
       SOLD