Use this geological calculation for a transparent first-pass interpretation of measured rock, soil, fluid, well, stratigraphic, isotopic, geophysical, or seismic data under an explicitly selected model.

Mineral

Mineral name (supported list).

Look up the number of cleavage directions and their quality/geometry for a common mineral. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Cleavage

Human-readable description of the cleavage or fracture.

Directions

Number of cleavage directions (0 for fracture-only minerals).

• Radiometric ages require the correct decay constants, isotopic ratios, standards, common-component correction, closure interpretation, initial composition, and analytical uncertainties. Disturbance, inheritance, diffusion, alteration, and model choice can make a calculated number differ from the geological event age.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Compare independent measurements and models, retain units and analytical metadata, propagate uncertainty, and validate interpretations against logs, cores, maps, laboratory data, or field observations.

• Mineral Luster Lookup

  Look up the typical luster (quality of surface light reflection) of a common mineral.

• Mineral Density Lookup

  Look up the typical room-temperature grain density in g/cm3 for a common rock-forming or ore mineral.

• Mineral Streak Lookup

  Look up the characteristic color of a mineral's powder as it would appear on a streak plate.