Danburite Facet / Faceting Information
Danburite Facet / Faceting Information related issues, topics and guide. Note: It's covering great information on Danburite Facet / Faceting Information.
Danburite Facet / Faceting Information
Danburite
Color: Colorless, pink, wine-yellow and brownish.
Moh's Hardness: 7
Refractive Index: 1.63-1.636
Critical Angle: 37.84°
Specific Gravity: 3.0
Cleavage: Imperfect
Fracture: Uneven, conchoidal
Dispersion: .017
Heat Sensitivity: Yes in my experience
Birefringence (double refraction): Weak (.006)
Crystal Structure: Orthorhombic
Treatments: Generally none, sometimes can be irradiated.
What I prefer to polishing with: 8,000 pre-polish 50,000 polish with Zinc laps (scored)
Jeff's Comments: Cuts and polishes pretty easily, and can be a little tough to polish sometimes. It seems to grab diamonds and can scratch. Watch the heat when dopping.
Design Notes: About any designs will work well. I like deep designs because the color(s) are usually on the light side
Design Links: White Asterism - This is great for clear rough if you have a piece that will work.
Related Articles
Iolite Faceting Information
Emerald Faceting Information
Kunzite (Spodumene) Faceting Information
Scapolite Faceting Information
Latest Articles
800 Years of Mogok: A Celebration in Tenuous Times
What is the Average Gemstone Faceting Yield?
Pyroxmangite Value, Price, and Jewelry Information
How to Identify Emerald Simulants and Synthetics
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
