
Zoe Organic Ethiopian Coffee House
Minerals And Industrial Minerals
Mineral | Physical Specification | Typical Market Form | Primary Use | Major Exporting Countries |
Sapphires | Hardness: 9 (Mohs scale), Colors: Blue, Yellow, Pink, Green, etc. | Rough or Cut and Polished | Jewelry, Watches |
Sri Lanka, Madagascar, Australia |
Emeralds | Hardness: 7.5-8 (Mohs scale), Color: Deep Green | Rough or Cut and Polished | Jewelry, High-end Ornaments | Colombia, Zambia, Brazil |
Diamonds | Hardness: 10 (Mohs scale), Color: Clear, Blue, Yellow, Pink, etc. | Rough, Cut and Polished | Jewelry, Industrial Cutting Tools | Russia, Botswana, Canada |
Opal | Hardness: 5.5-6.5 (Mohs scale), Color: Play-of-color, Various hues | Rough, Cut and Polished | Jewelry, Decorative Items | Australia, Ethiopia, Brazil |
PGM Minerals | Includes Platinum, Palladium, Rhodium; Dense, Silvery-white metals | Unrefined Ore, Refined Bullion | Catalysts, Jewelry, Electronics |
South Africa, Russia, Zimbabwe |