Skip to content

Gem Book - Gem Reference

Home
Gems by Country
- America
  - Antigua and Barbuda
  - Anguilla
  - Argentina
  - Barbados
  - Bolivia
  - Brazil
  - Canada
  - Cuba
  - Costa Rica
  - Colombia
  - Chile
  - USA
  - Uruguay
- Asia
  - Australia
  - Bangladesh
  - Benin
  - Bhutan
  - Borneo
  - Cambodia
  - China
- Europe
  - Russia
  - France
  - Italy
  - Germany
  - Albania
  - Czech Republic
  - Armenia
  - Austria
  - Azerbaijan
  - Belgium
  - Bulgaria
  - Cyprus
  - Austria
  - Croatia
- Canada
- Australia
- Afghanistan
- Africa
  - Algeria
  - Angola
  - Andorra
  - Botswana
  - Cape Verde
  - Chad
  - Central African Republic
  - Cameroon
- Antarctica
- Arctic Ocean
- Atlantic Ocean
- Bailiwick of Guernsey
- Baltic Sea
- Belarus
- Bosnia and Herzegovina
- Burkina Faso
- Burundi
- Comoros
- Cook Islands
Gems by Colour
- Yellow
- green
- White
- colorless
- Pink
- Blue
- brown
- Red
- Gray
- Black
- cream
- FIREBRICK
- gold
Gemstone Cuts
Carat Calculator
Gemstone Article

Gem Book - Gem Reference

Carat Calculator
Home
Sample Page

iron-black to dark brown

Category: iron-black to dark brown Family of Gemstones

Tantalite

Tantalite

Search

Apatite Beryl Borosilicates Carbonate mineral Carbonate minerals Chrysoberyl Corundum Cyclosilicate Epidote Supergroup Feldspar Fossil Garnet gems Halide healing Inosilicate Inosilicates Jade Metamorphic rock Mineral Mineraloid Molybdate mineral Nesosilicate Nesosilicates Olivine Organic Oxide minerals Phosphate mineral Phosphate minerals Phyllosilicate Quartz rare Silicate mineral Sorosilicate Sorosilicates Spinel Spodumene Sulfosalt minerals Synthetic Tectite tectosilicate tectosilicates Volcanic Glass Zircon Zoisite

Colours

Copyright © 2025 Gem Book - Gem Reference | Powered by Looklocal