Sometimes, quartz forms from thermal fluids entering hollow parts of pillow basalts, creating geodes. Photo courtesy of liveauctioneers.com and Napoleon's Fine Art.
Purple Amethyst Specimen
Sometimes, quartz forms from thermal fluids entering hollow parts of pillow basalts, creating geodes. Photo courtesy of liveauctioneers.com and Napoleon's Fine Art.
Article: How Does Quartz Form?
Credit: <span class="sellerName___29phr">Napoleon’s Fine Art</span>
| Gemstone | Quartz, Amethyst |
| Natural or man made | Natural |
| Gem State | Specimen |
| Color | Purple |
| Transparency | Transparent |