Grandee® is the most famous dark gray granite in the world.
For decades this exquisite stone has been used world wide for monuments, building decoration and most importantly, memorial headstones.
| Prime Name: | Grandee |
| Colour: | Dark Gray |
| Geological Name: | Quartz Diorite |
| Geological Age: | Devonian |
Petrographic Description
A medium-grained dark gray equi-granular rock consisting mainly of plagioclase (andesine) feldspar and pyroxene.
Biotite is a significant constituent at 10% and the minor accessories include hornblende,apatite and zicron.
Mineral Composition
| Feldspar | 61% | Pyroxene | 23% |
| Quartz | 5% | Biotite | 10% |
| Opaque Oxides | 1% |
Technical Specification
| Bulk Density (ASTM C97-83) | 2.93 tonnes/M³ |
| Absorption by weight (ASTM C97-83) | 0.04% |
| Flexural Strength (ASTM C880-89) | 24Mpa dry, 21 Mpa wet |
|
Compressive Strength (ASTM C170-87)
|
Recommended Finishes
Polished Honed Flamed Etched
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CONTACT
For enquiries call: KKT Pty Ltd
(Australia) + 61-2-9388-2131
or e-mail to kkt@grandeegranite.com
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