Photos by cut - Oval Cabochon

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: 311

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: 339

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: 308

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: 319

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: 518

Aquamarine (Cat’s-Eye)

Gemstone: Aquamarine

Location of Origin: Shigar Valley, Shigar District, Gilgit-Baltistan, Pakistan

Cut Type: Oval Cabochon

Weight: 17.20 cts.

Dimensions: 13.17mm x 18.35mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8316View Count: 547

Opal (Cat's-Eye)

Gemstone: Opal

Location of Origin: Minas Gerais, Brazil

Cut Type: Oval Cabochon

Weight: 2.19 cts.

Dimensions: 7.86mm x 10.75mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8314View Count: 554

Quartz with Trolleite Inclusions (very rare)

Gemstone: Quartz

Location of Origin: Serra da Vereda, Boquira, Bahia, Brazil

Cut Type: Oval Cabochon

Weight: 7.26 cts.

Dimensions: 11.02mm x 17.82mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8312View Count: 491

Opal (with Multicolor Flash)

Gemstone: Opal

Location of Origin: Tsehay Mewcha, Wegeltena (Wegel Tena), Delanta Woreda, South Wollo Zone, Amhara Region, Ethiopia

Cut Type: Oval Cabochon

Weight: 1.86 cts.

Dimensions: 11.69mm x 8.00mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8304View Count: 526

Opal (Cat's-Eye)

Gemstone: Opal

Location of Origin: Minas Gerais, Brazil

Cut Type: Oval Cabochon

Weight: 1.51 cts.

Dimensions: 9.48mm x 6.79mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8301View Count: 463
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