granitic

adj. like granite; of or pertaining to granite

Granite (IPA: ) is a common and widely occurring type of intrusive, felsic, igneous rock. Granites are usually medium to coarsely crystalline, occasionally with some individual crystals larger than the groundmass forming a rock known as porphyry. Granites can be pink to dark gray or even black, depending on their chemistry and mineralogy. Outcrops of granite tend to form tors, and rounded massifs. Granites sometimes occur in circular depressions surrounded by a range of hills, formed by the metamorphic aureole or hornfels.
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Adjective
1. hard as granite; "a granitic fist"
(synonym) granitelike, rocklike, stony
(similar) hard
2. having austere inflexibility; "a flinty manner"; "granitic morality"; "his unyielding mouth and glassy eyes"- Marchette Chute
(synonym) flinty, unyielding
(similar) inflexible

(a.)
Like granite in composition, color, etc.; having the nature of granite; as, granitic texture.
  

(a.)
Consisting of granite; as, granitic mountains.
  

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