Description
FACTS
attributes of a ruby
- Belongs mineralogically to corundum
- Hardness grade 9
- Chemical formula: Al2O3
- Includes only the color red
- Colored by chromium oxide
- High density of 3.9 – 4.1
origin
- Burma
- Mozambique
- Madagaskar
- Thailand
- Tadschikistan
- Pakistan
worth knowing
- Oldest known locality: Burma
- Was exchanged for emeralds by maharajas
- The color red is equated with power
- Assigned to the planet Mars
- Increases the assertiveness
- The location Mozambique was discovered only in 2007/08
ruby as investment
- Highest suitability of all gemstones
- Rare, strongly increasing in value
- Stones should have a weight of at least 1 ct
- Larger stones have higher increase in value
- Experts reckon with 8% increase in value per year
- Beautifully sparkling rubies are preferable
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