dumortierite

Semi-precious stones, gems Mineral characteristic.

Dumortierite relates to borosilicate (Al, Fe) 7BO3 (SiO4 ) 3 (O, OH) 3. It is composed of atoms of aluminum and iron. Dumortierite common among aluminum-rich rocks. It is named in honor of French paleontologist ME dumortierite who found samples of this mineral. In today's world dumortierite often used as a decorative stone. True beauty dyumorterita disclosed if this mineral is well polished. Then you can admire his calm, or, conversely, saturated bluish tone. They are caused by an admixture of titanium. There are pink and brownish dyumorterity. From the similar color of lapis lazuli and sodalite can be distinguished by a dull surface of the stone. From dyumorterita cut balls for massage, make him beads and cabochons. This stone is well polished, but never makes glass shine. In fact, it does not form crystals expressed. This is the most inexpensive ornamental stone from this group of minerals, but quite beautiful and charming.

The magical properties of stones.

Dumortierite - unpopular mineral in the arsenal of magicians, soothsayers and Spirituals. Nevertheless, a modest dumortierite may be useful as an amulet. It is known that the stone develops its owner precision, accuracy and orderliness. It is considered as the same that dumortierite increases the sense of responsibility and organizational skills. Dumortierite promotes success, gaining courage and helps to cope with fear.

Semi-precious stones, gemsSemi-precious stones, gems

Semi-precious stones, gems
Dumortierite. N`Rougas Suid farm, Kernhardt, Sev. Cape Prov., South Africa. Photo: © AA Evseev.

Toxic and hazardous radioactive rocks and minerals

** - Poisonous stones and minerals (obligatory check in chemical laboratory + clear indication of toxicity).

** - Radioactive rocks and minerals (obligatory check on a regular dosimeter + ban on the open sale of radioactivity in the event of more than 24 mR / hour + additional measures to protect the population).

All rare stones should always be checked on a regular dosimeter on the permissible level of radiation and a chemical laboratory in the absence of toxic and volatile components which are hazardous to humans and the environment.

  1. Adamini *
  2. Annaberg ** erythrite
  3. antimonite *
  4. Arsenolit **
  5. arsenopyrite **
  6. orpiment **
  7. Bayldonit *
  8. Beryl **
  9. betafite **
  10. Billietit **
  1. Bismutinit *
  2. antimonnickel *
  3. Viteri *
  4. gadolinium **
  5. Galit * *
  6. geocronite *
  7. glaucodot *
  8. Dekluazit Mottramit **
  9. Jordan *
  10. Carnot **
  1. vermilion **
  2. cobaltite *
  3. Kottunit *
  4. Lirokonit *
  5. marcasite *
  6. monazite *
  7. ammonia *
  8. Nichelino *
  9. Autun **
  10. pyromorphite *
  11. pyrochlore *
  1. proustite *
  2. rammelsbergite *
  3. realgar **
  4. Mercury *
  5. Senarmontit *
  6. Sulphur *
  7. skutterudite *
  8. Strontianite * *
  9. Antimony *
  10. tetrahedron *
  11. thorianite **
  1. Torit **
  2. uraninite **
  3. Farmacol *
  4. chalcocite *
  5. Hutchinson *
  6. Celestine * *
  7. Zircon **
  8. euxenite **
  9. enargite *
  10. aeschynite **
  11. conichalcite

Catalog of stones - all the stones in alphabetical order

  1. Aventurine *
  2. Agat ***
  3. azurite *
  4. Aquamarine *
  5. Alexandrite
  6. Diamond ***
  7. Almandine
  8. Amazonite *
  9. Amethyst **
  10. Ametrine
  11. Ammolite
  12. Ammonite
  13. Apatite
  14. Belemnite
  15. Beryl **
  16. mammoth tusk
  17. Turquoise
  18. Bulls-eye
  19. Verdelho
  20. Gagate (coal) * *
  21. Heliodorus **
  22. Heliotrope
  23. Hematite **
  24. Hessonite
  25. Howlite, Cowley
  26. Garnet
  27. grossular
  28. demantoid **
  1. chrome diopside Diopside
  2. Draveil
  3. petrified wood
  4. dumortierite
  5. Jade
  6. Pearl
  7. Emerald **
  8. Calcite *
  9. cacholong
  10. Quartz
  11. Quartz-hair-worm
  12. Quartz pink
  13. vermilion **
  14. conichalcite **
  15. Corals
  16. Corundum
  17. Cat's Eye Quartz
  18. Cat's eye chrysoberyl
  19. Flint * *
  20. Kuntz **
  21. Labrador **
  22. Lapis lazuli
  23. Moonstone
  24. Malachite
  1. Meteorite
  2. morganite **
  3. Morion **
  4. Jade **
  5. Obsidian **
  6. Onyx marble. **
  7. Onyx chalcedony
  8. Opal
  9. Orthoclase, microcline **
  10. pegmatite **
  11. Nacre
  12. Pyrite * *
  13. pyrope
  14. semi-opal
  15. Prase
  16. Rauhkvarts smoky quartz **
  17. Rhodonite
  18. Ruby
  19. rubellite
  20. Sapphire **
  21. Sardonyx
  22. Selenite
  23. Serafini
  24. Cornelian
  25. Serpentine (coil) **
  1. Simbirtsit **
  2. Sodalite
  3. Hawkeye
  4. staurolite **
  5. Tektite *
  6. Eye of the Tiger
  7. Tourmaline *
  8. Topaz
  9. Uvarovite
  10. Ulex * *
  11. fluorite
  12. Haliotis
  13. Chalcedony
  14. Peridot *
  15. Chrysoprase **
  16. crystal mountain
  17. Celestine * *
  18. Citrine
  19. Zircon **
  20. charoit **
  21. Schorl
  22. Spinel *
  23. Shungite * *
  24. eudialyte *
  25. euclase
  26. Epidote (Jasper)
  27. Amber
  28. Jasper