gemstone
Citrine or Yellow Sapphire
Quartz (SiO2) or Corundum (Al2O3)
AI-generated identification · may be incorrectHardness: 7 (Citrine) or 9 (Sapphire). Color: Yellow. Luster: Vitreous. Crystal structure: Trigonal (both).
- Hardness
- 7 (Citrine) or 9 (Sapphire)
- Color
- Yellow
- Luster
- Vitreous
Identified More gemstone →
Explore Citrine or Yellow Sapphire in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 7 (Citrine) or 9 (Sapphire). Color: Yellow. Luster: Vitreous. Crystal structure: Trigonal (both).
Formation & geological history
Forms in igneous or metamorphic rocks through hydrothermal processes or high temperature and pressure over millions of years.
Uses & applications
Primarily used in fine jewelry due to its attractive color and durability.
Geological facts
Many citrines on the market are actually heat-treated amethysts. Yellow sapphires are highly valued in Vedic astrology.
Field identification & locations
Identified by color, hardness testing, and refractive index. Common sources include Brazil (Citrine) and Sri Lanka (Sapphire).
More like this
Other gemstone specimens
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone