Photos by cut - Octagon

4,57ct Chrome-Diopside

Gemstone: Chrome-Diopside

Location of Origin: Inagli chrome diopside deposit, Inagli Massif, Aldan, Sakha Republic (Yakutia), Russia

Cut Type: Octagon

Weight: 4.57 cts.

Dimensions: 10.17mm x 8.15mm x 6.10mm

© Suslov Kirill, BasnoslovnoPhoto ID: 8552View Count: 34

Trapichi ruby kashmir 17.2ct

Gemstone: Star Ruby

Cut Type: Octagon

Weight: 17 cts.

Photo ID: 8449View Count: 350

Ametrine (natural bi-color Quartz)

Gemstone: Ametrine

Location of Origin: Anahi Mine (Anay Mine; Anai Mine), La Gaiba mining district, Ángel Sandoval Province, Santa Cruz, Bolivia

Cut Type: Octagon

Weight: 32.03 cts.

Dimensions: 20.74mm x 20.74mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8287View Count: 354

Bustamite

Gemstone: Bustamite

Location of Origin: Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa

Cut Type: Octagon

Weight: 1.11 cts.

Dimensions: 7.90mm x 5.18mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 8196View Count: 511

Topaz

Gemstone: Topaz

Location of Origin: Brazil

Cut Type: Octagon

Weight: 6.19 cts.

Dimensions: 11.06mm x 10.88mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 7447View Count: 965

Rhodolite

Gemstone: Rhodolite

Location of Origin: Sri Lanka

Cut Type: Octagon

Weight: 0.32 cts.

Dimensions: 3.97mm x 3.97mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 6554View Count: 1160

Chrysoberyl

Gemstone: Chrysoberyl

Location of Origin: Brazil

Cut Type: Octagon

Weight: 0.66 cts.

Dimensions: 5.55mm x 5.55mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 6381View Count: 1627

Sphalerite

Gemstone: Sphalerite

Location of Origin: Big Four Mine, Heeney, Green Mountain Mining District, Summit Co., Colorado, USA

Cut Type: Octagon

Weight: 3.79 cts.

Dimensions: 9.28mm x ?mm x ?mm

Photo ID: 6121View Count: 930

Multiple photos availableSunstone

Gemstone: Sunstone

Location of Origin: Dust Devil Mine, Plush, Lake Co., Oregon, USA

Cut Type: Octagon

Weight: 3.17 cts.

Dimensions: 9.64mm x ?mm x ?mm

© Brian Kosnar - Mineral ClassicsPhoto ID: 5918View Count: 1069

Large yellow diamond

Gemstone: Diamond

Location of Origin: Angola

Cut Type: Octagon

Weight: 36.63 cts.

Dimensions: 17.42mm x 16.91mm x 12.93mm

© Fernando GascónPhoto ID: 5873View Count: 1425
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