Angel Doran
Posts by Angel Doran:
- Zoisite
- Zircon
- Yellow
- Works
- White
- VVS
- VS
- Uncategorized
- Turkey
- Trillion
- Translucent
- Tourmaline
- Topaz
- Thailand
- Tanzanite
- Tanzania
- Spinel
- Solar System
- Snowflake
- SI2
- SI1
- Semi-Round Cabochon
- Sapphire
- Ruby
- Rhodolite
- References
- Red
- Recommendations
- Rainbow
- Quartz
- Purple
- Projects
- Poster
- Play of color
- Pink
- Petoskey Stones
- Peridot
- Pear Cabochon
- Pear
- Oval Cabochon
- Oval
- Orange
- Oral Presentation
- Opinion
- Opaque
- Opal
- Octagon
- Myanmar
- Mozambique
- Moonstone
- Minerals
- Michigan
- Maps
- Madagascar
- Idocrase
- Hexagon
- Green
- Geologic Time
- Gemstones
- Garnet
- Free Form Cabochon
- Feldspar
- Ethiopia
- Dinosaurs
- Diaspore
- Cushion
- Corundum
- Color Change
- Collection
- Clear
- Citrine
- China
- Chatoyancy
- ChatGPT
- Ceylon
- Cambodia
- Brown
- Brazil
- Blue
- Black
- Beryl
- Baguette
- Australia
- Asterism
- Articles
- Aquamarine
- Apatite
- Africa
- 10 – Mineraloids
- 09F – Tectosilicates
- 09E – Phyllosilicates
- 09D – Inosilicates
- 09C – Cyclosilicates
- 09B – Sorosilicates
- 09A – Neosilicates
- 09 – Silicates
- 08B-C – Arsenates
- 07E-G – Molybdates
- 07A-C – Sulfates
- 06 – Borates
- 05A – Carbonates
- 03 – Halogenides
- 02F – Arsenides
- 02A – Sulfides
Fossils
Collection Mineraloids Non-Silicates Arsenates Arsenides Borates Carbonates Halides Molybdates Sulfides Silicates Cyclosilicates Inosilicates Neosilicates Phyllosilicates Sorosilicates Tectosilicates
Minerals
Collection Mineraloids Non-Silicates Arsenates Arsenides Borates Carbonates Halides Molybdates Sulfides Silicates Cyclosilicates Inosilicates Neosilicates Phyllosilicates Sorosilicates Tectosilicates
Rocks
Collection Arsenates Arsenides Borates Carbonates Collection Cyclosilicates Dinosaurs Geologic Time Halides Inosilicates Maps Michigan Mineraloids Mineraloids Molybdates Neosilicates Non-Silicates Opinion Petoskey Stones Phyllosilicates Presentations Projects Recommendations References Silicates Solar System Sorosilicates Sulfides Tectosilicates Uncategorized



How Opal’s Play-of-Color Works
Before explaining how opal’s play-of-color works, I’ll need to review a few definitions you may not have encountered since school. Definitions Visible Light Visible light is electromagnetic radiation that the human eye can see. It forms as a wave with wavelengths between approximately 380-740 nanometers (nm). White Light White light is a combination of light […]
Angel’s Software Experience
I started designing websites in 1997 using HTML. I switched to Dreamweaver when it launched in December 1997 and continued designing websites with that for a few years. The Air Force took away my ability to administer websites for my office around 2001, so I let my skills lapse. In January 2013, I volunteered to […]


Opal
Common Opal Precious Opal Imitation / Synthetic Opal Common Opal Precious Opal Imitation / Synthetic Opal









