No. Beryl has fracture because it breaks in a jagged line.
cleavage....
Yes, beryl can leave streaks when rubbed against a rough surface. The streak color of beryl can vary depending on its composition with different beryl varieties leaving different colored streaks. For example, emerald, a variety of beryl, can leave a green streak.
Dolomite typically exhibits three cleavage planes that intersect at approximately 90 degrees, resulting in rhombohedral cleavage.
It has both. It's cleavage is perfect, and it's fracture is sub-conchoidal.
Muscovite has perfect basal cleavage, or book cleavage.
easy
Beryl is a sillicate
GeneralCategory Beryl variety Chemical formula Beryllium aluminum silicate with chromium, Be3Al2(SiO3)6::CrIdentificationColor Green Crystal habit Hexagonal Crystals Crystal system Hexagonal Cleavage Poor Basal Cleavage (Seldom Visible) Fracture Conchoidal Mohs Scale hardness 7.5 - 8.0 Luster Vitreous Refractive index 1.576 - 1.582 Pleochroism Distinct, Blue-Green/Yellow-Green Streak White Specific gravity 2.70 - 2.78AnswerThe mineral is Beryl.
Beryl Vertue's birth name is Beryl Frances.
Beryl Wallace's birth name is Beryl Heischuber.
Beryl Formby's birth name is Ingham, Beryl.
Beryl Baxter's birth name is Beryl Ivory.
Sulfur's cleavage is imperfect.
Beryl Salvatore's birth name is Beryl Claire Mau.
Beryl Vaughan's birth name is Beryl Irene Vaughan.
Beryl Johnstone's birth name is Mary Beryl Johnstone.
Beryl Bainbridge's birth name is Beryl Margaret Bainbridge.