Definition of Subconchoidal. Meaning of Subconchoidal. Synonyms of Subconchoidal

- fracture producing small, conchoidal fragments Brittle—subconchoidal: brittle fracture with subconchoidal fragments Conchoidal—irregular: irregular fracture...
- Cleavage None, may show partings on {0001} and {1011} Fracture Uneven to subconchoidal Tenacity Brittle Mohs scale hardness 5.5–6.5 Luster Metallic to splendent...
- obsidian, but may also occur in crystalline minerals such as quartz. Subconchoidal fracture is similar to conchoidal fracture, but with less significant...
- twinning also present. Cleavage Perfect on {201} fair on {010} Fracture Subconchoidal to uneven Mohs scale hardness 3.5–4 Luster Adamantine to vitreous; silky...
- adamantine). Scheelite possesses distinct cleavage and its fracture may be subconchoidal to uneven. Its specific gravity is high at 5.9–6.1 and its hardness...
- Cleavage Perfect and easy on {010}; imperfect on {100} and {110} Fracture Subconchoidal Tenacity Highly flexible but not elastic; slightly sectile Mohs scale...
- lamellar Cleavage Cubic perfect on {001}, parting on {111} Fracture Subconchoidal Tenacity Brittle Mohs scale hardness 2.5–2.75 Luster Metallic on cleavage...
- described as an earthy or impure argillaceous limestone. It has a blocky subconchoidal fracture, and is less fissile than shale. The dominant carbonate mineral...
- Prismatic crystal Twinning Rarely on [111] Cleavage [001] Perfect Fracture Subconchoidal to uneven Mohs scale hardness 8 (defining mineral) Luster Vitreous Streak...
- fluorescent nor radioactive. Brookite is a brittle mineral, with a subconchoidal to irregular fracture and poor cleavage in one direction parallel to...