(Of a crystal or particle) having its different diameters approximately equal, so as to be roughly cubic or spherical in shape.
- It typically occurs as transparent flattened crystals, as small equant crystals, as intergrown masses of small lustrous crystals, and occasionally as stout or elongated twinned crystals.
- A few outstanding composite specimens were recovered, with crude dendritic copper intergrown with one or two large, single, equant crystals.
- Doubly terminated, transparent, colorless equant crystals of classic Herkimer ‘diamond’ habit are locally common.
Mid 16th century: from Latin aequant- 'making equal', from the verb aequare.
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