Black Imperial

Substitute Names

Adelaide Black

Colour & Veining

Dark black with highlight grains

Stone Type

Diorite

Texture

Fine grained

Quarry Location

Black Hill, SA

Availability

Variable

General Uses

External/Internal

Finishes Available

Polished, Exfoliated, Honed

Maximum Degree of Polish

High

Variation in Tone

Low

Forms Available

Slabs, panels, tiles

Flexural Strength (Wet/Dry)

17.7MPa/15.5MP a

Modulus of Rupture (Wet/Dry)

N/A /19.9MPa

Compressive Strength (Wet/Dry)

193MPa/217MPa

Water Absorption

0.06%

Bulk Specific Gravity

2.97 tonnes/m3