Gold Jewelry > Gemstones > Quartz Crystalline
| Colors: | violet |
|---|---|
| Mohs: | 7 |
| Transparency: | transparent |
| Most common origin: | Brazil |
| Rarity: | not rare |

| Colors: | colorless |
|---|---|
| Mohs: | 7 |
| Transparency: | transparent |
| Most common origin: | Brazil, all continents |
| Rarity: | not rare |

| Colors: | smoky brown |
|---|---|
| Mohs: | 7 |
| Transparency: | transparent |
| Most common origin: | Brazil |
| Rarity: | common |

| Colors: | yellow, orange, red |
|---|---|
| Mohs: | 7 |
| Transparency: | transparent |
| Most common origin: | Brazil |
| Rarity: | common |
