Rocksday

Citrine vs Topaz

How to tell them apart

Citrine specimen
Citrine

Yellow to orange quartz. Natural citrine is pale and fairly rare; most citrine sold today is heat-treated amethyst.

Photo: Didier Descouens, CC BY-SA 4.0

Topaz specimen
Topaz

A fluorine-bearing silicate and the Mohs reference for hardness 8. Crystals are often clear with sharp, diamond-shaped cross-sections.

Photo: Parent Géry, CC BY-SA 3.0

Quick tests

  • Heft: Topaz feels noticeably heavier for its size (specific gravity 3.49–3.57 vs 2.65).

Key differences

  • Topaz is harder, heavier and has one perfect cleavage.

Side by side

PropertyCitrineTopaz
TypeMineralMineral
Mohs hardness78
LusterVitreousVitreous
StreakWhiteWhite
ColorsYellow, OrangeClear, Yellow, Orange, Blue, Pink
Crystal systemTrigonalOrthorhombic
Specific gravity2.653.49–3.57
FormulaSiO₂Al₂SiO₄(F,OH)₂
Found inRio Grande do Sul, Brazil; MadagascarOuro Preto, Brazil; Topaz Mountain, Utah

Properties that are the same for both are grayed out.

How to identify citrine

  • Pale lemon to honey-orange quartz, hardness 7.
  • Heat-treated amethyst geodes turn burnt orange at the tips with white bases — a giveaway.
  • Natural pieces have an even, soft yellow color.

Crystal system: Trigonal

Full Citrine guide →

How to identify topaz

  • Harder than quartz (8).
  • One perfect cleavage across the crystal — flat, mirror-like breaks.
  • Feels heavier than quartz of the same size.
  • Prisms with lengthwise striations.

Crystal system: Orthorhombic

Full Topaz guide →

More comparisons

Could you tell them apart from a blurry close-up?

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