Serpentine Cabochon — The Orca Fin
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This smooth oval cabochon was cut to highlight the natural interplay of deep black and vibrant green. We let the stone dictate its own freeform shape, embracing its unique character rather than forcing a standard cut.The full origin story for this stone is still being written.This piece is part of The Orca Fin Collection, a series still under development.— Bob & Janyce, Rockhound Studio, Spokane Valley WAThis freeform oval cabochon measures approximately 38 x 19 x 8 mm with a high polish finish.This is a loose stone, perfect for jewelers and makers to set into their own custom designs.The Orca Fin StoryThe Orca Fin Collection
Stone details
- Dimensions: 38x27x8.5 mm mm
- Stone weight: 14.0 g
- Surface finish: Hand-Polished
- Origin: Spokane River
Geological details
- Mohs hardness: 3-5.5
- Crystal system: Monoclinic - platy to fibrous
- Mineral class: Silicates - Phyllosilicates (Serpentine group)
- Geological era: Variable
- Rock composition:
- Obsidian
- Rock formation: Ophiolite sequences - oceanic crust thrust onto continents
- Cleavage: Perfect in one direction
- Fracture: Conchoidal to splintery
- Luster: Waxy
- Specific gravity: 2.44-2.62
- Diaphaneity: Translucent to opaque
From the bench
Cool whale fine floating in a green ocean
Handcrafted by Bob and Janyce
Serpentine Cabochon — The Orca Fin
Sale price$85.00
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Serpentine Cabochon — The Orca Fin
Sale price$85.00