Quartz (Crystal) Mineral Collector’s Guide
Quartz (Crystal) Mineral Collector’s Guide
The forms of crystals are rich and varied. They can be simply divided into crystals, heterogeneous aggregates, and amorphous bodies. Crystals are quartz (crystals) with obvious geometric shapes. Heterogeneous aggregates are aggregates composed of countless quartz particles. Although the complete geometric shape cannot be seen, mineral particles can be observed. This article mainly introduces the appreciation of the rich and varied geometric crystal forms of crystals.
Quartz crystal – Crystal
Under suitable conditions, mineral crystals in different environments will spontaneously grow into regular geometric shapes. This unique property of mineral crystals is called crystallization habit.
Figure 1. Crystalline morphology of quartz (c)
Figure 2. Crystalline morphology of quartz (Mindat)
Figure 3. Quartz crystals that are mirror images of each other (left and right)
When two crystals of different shapes are combined according to a certain rule, twin crystals are formed.
Figure 4. Do you understand the combination rules here?
Figure 5. Cross-interlaced twin crystals
Figure 6. Interleaved twin crystal
Figure 7. Japanese Twin Crystal
Figure 8. Stitched crystal
Figure 9. Twist crystal
Figure 10. Scepter Crystal
Figure 11. Scepter crystal, encapsulated with oil
Figure 12. Interference crystal. Plate-shaped calcite interference green crystal
- Quartzite
Figure 13. Quartz pegmatite
Figure 14. Rose quartz
Figure 15. Green aventurine quartz
Figure 16. Blue aventurine quartz
Figure 17 Goldline Jade
Amorphous quartz – opal
Figure 18.Jasper Figure 19.Rain Flower Stone
Figure 20. Agate slice
Figure 21. Xuanhua Warring States Red. The interior is a crystal cave, surrounded by red and yellow agate Figure 22. Chalcedony
Figure 23. water opal(glass opal)
Figure 24. opal
Figure 25. Opalized fossils