About Mohs Hardness Scale
The Mohs Hardness Scale design system renders Friedrich Mohs's 1812 ordinal hardness reference as a numbered specimen plate — ten mineral chips in a row, from talc (1) to diamond (10), each a muted earth-gray printed on cool chart-white paper.
Engraved serifs, monospaced numerals, and monochrome scratch-test line diagrams give it the calm authority of a scientific reference set. The palette holds to chalky, desaturated mineral tones: no saturation, no metallic sheen, no warmth.
- Origin
- Western Europe (German/Austrian mineralogy)
- Era
- pre-1900 (Friedrich Mohs's comparative hardness scale, 1812)
- Key figures
- Friedrich Mohs
- Movements
- 19th-century systematic mineralogy · comparative hardness testing · specimen-reference plate convention
Mohs Hardness Scale design spec
Colors
Background
Surface
Primary
Secondary
Accent
Text
Typography
SpectralHeadings
EB GaramondBody
IBM Plex MonoMono
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