Photos by cut - Oval Cabochon

Quartz

Gemstone: Quartz

Location of Origin: Peru

Cut Type: Oval Cabochon

Weight: 236.40 cts.

Dimensions: 46.43mm x 56.44mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8461View Count: 79

Precious Opal (Crystal Opal)

Gemstone: Precious Opal

Location of Origin: Coober Pedy, Central North, South Australia, Australia

Cut Type: Oval Cabochon

Weight: 7.05 cts.

Dimensions: 10.75mm x 16.23mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8455View Count: 82

Fire Opal (with "Contra Luz" color flash)

Gemstone: Fire Opal

Location of Origin: South Wello (Welo; Wollo), Amhara Region, Ethiopia

Cut Type: Oval Cabochon

Weight: 0.39 cts.

Dimensions: 4.35mm x 7.43mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8440View Count: 120

Johachidolite (very rare)

Gemstone: Johachidolite

Location of Origin: Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar

Cut Type: Oval Cabochon

Weight: 0.23 cts.

Dimensions: 3.82mm x 4.80mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8393View Count: 222

Phosphosiderite (great color – analyzed and confirmed)

Gemstone: Phosphosiderite

Location of Origin: Chile

Cut Type: Oval Cabochon

Weight: 8.65 cts.

Dimensions: 12.11mm x 16.10mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8391View Count: 131

Star Sapphire

Gemstone: Star Sapphire

Location of Origin: Sri Lanka

Cut Type: Oval Cabochon

Weight: 2.88 cts.

Dimensions: 7.26mm x 8.97mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8381View Count: 166

Malachite

Gemstone: Malachite

Location of Origin: Katanga, DR Congo

Cut Type: Oval Cabochon

Weight: 111.40 cts.

Dimensions: 29.75mm x 39.48mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8344View Count: 188

Rutile included Quartz

Gemstone: Quartz

Location of Origin: Brazil

Cut Type: Oval Cabochon

Weight: 5.04 cts.

Dimensions: 10.19mm x 12.15mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8339View Count: 174

Fire/Jelly Opal (with "Contra Luz" color flash)

Gemstone: Fire Opal

Location of Origin: Ethiopia

Cut Type: Oval Cabochon

Weight: 0.41 cts.

Dimensions: 5.19mm x 7.25mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8337View Count: 180

Opal

Gemstone: Opal

Location of Origin: Australia

Cut Type: Oval Cabochon

Weight: 0.93 cts.

Dimensions: 5.93mm x 7.95mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8320View Count: 291
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