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45.90 ct Fancy Cabochon Shape (32 x 23 mm) Australian Koroit Boulder Opal

45.90 ct Fancy Cabochon Shape (32 x 23 mm) Australian Koroit Boulder Opal

$ 5.27

Availability: 14 in stock
  • Fancy Color: Play of Colors
  • Treatment: Unheated / Untreated
  • Gem Type: Boulder Opal
  • Condition: New with tags
  • Depth: 6.24
  • Cut: Good
  • All returns accepted: Returns Accepted
  • Modified Item: No
  • Return shipping will be paid by: Seller
  • Country/Region of Manufacture: Australia
  • Natural/Lab-Created: Natural
  • SKU: 203517-1P44A4
  • Total Carat Weight: 45.9
  • Grade: AAA
  • Color: Play of Colors
  • Brand: DeluxeGems
  • Refund will be given as: Money Back
  • Item must be returned within: 30 Days
  • Shape: Fancy Cabochon
  • Length: 31.51
  • Size: 31.51 x 22.67 x 6.24 mm
  • Luster: Good
  • Clarity: Opaque
  • Quantity: 1
  • Transparency: Opaque
  • Width: 22.67
  • Hardness: 6.5 Mohs scale
  • Total Carat Weight (TCW): 45.9
  • Restocking Fee: No
  • Cut Grade: Good
  • Country of Origin: Australia

    Description

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    45.90 ct Mesmerizing Fancy Cabochon Shape (32 x 23 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    Rare Stone! Unheated / Untreated Play of Colors Orgin From Australia
    100% Natural Genuine & Mined from Earth Gemstone !!!
    Gem Type
    Boulder Opal
    Color
    Play of Colors
    Shape
    Fancy Cabochon
    Size (LxWxD)
    31.51 x 22.67 x 6.24 mm
    Weight
    45.90 ct
    Grade
    AAA
    Hardness
    6.5
    Luster
    Good
    Clarity
    Opaque
    Treatment
    Unheated / Untreated
    Origin
    Australia
    RefractiveIndex
    1.37-1.47
    Specific Gravity
    2.1
    FL
    IF
    VVS1
    VVS2
    VS1
    VS2
    SI1
    SI2
    L1
    L2
    L3
    L4
    Flawless Internally
    Flawless
    Very Very Slightly
    Imperfect
    Very Slightly Imperfect
    Slightly Imperfect
    Imperfect
    Opaque
    Boulder Opal
    Mohs Hardness: 5.5-6.5 Found in Australia History: Opal is a semi-transparent solidified mineral composed of silicon and water. Boulder opal refers to a clear water opal with brilliant color play and a distinctive dark chocolate brown ironstone matrix. This opal was formed when silica-bearing steam was forced into cracks in ironstone boulders and then mineralized. The name opal is derived from the Latin opalus and Sanskrit upala meaning “precious stone”. The Greek term opallios translates "to see a change in color". The oldest known opal mine is in Czechoslovakia and dates to 14th century. Popularity of opal suffered in 19th century partially due to Sir Walter Scott's novel of a cursed stone and was thought to be bad luck. Queen Victoria promoted the stone in 1800s by giving opal jewelry to her children. In the middle ages, the stone was thought to make the wearer invisible, and was highly recommended to thieves. Today, Australia is major source for opal and supplies abt 85% of the world’s opal. It is a rather soft stone and needs care with handling. Do not immerse in hot water or a sonic cleaner. Opal is graded by size/cut/rarity/base color/fire color/fire intensity/fire pattern and fire consistency. Metaphysical: said to assist in recalling past incarnations, to develop psychic powers,bring out inner beauty, and draw money and luck
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