Types of Habits

Question 1

Fine, slender, needle-like crystals

Answer 1

Acicular

Question 2

Exhibiting narrow bands of different colors as texture

Answer 2

Banded

Question 3

Forming very thin threads which resemble hair

Answer 3

Capillary

Question 4

Stout, column-like individuals

Answer 4

Columnar

Question 5

Forming long and thin little columns which resemble wire

Answer 5

Filiform

Question 6

Somewhat elongated crystals with well-developed prism faces

Answer 6

Prismatic

Question 7

Cavity line with small crystals

Answer 7

Geode

Question 8

Radiating individuals forming small spherical or hemispherical

Answer 8

Globular

Question 9

Aggregates of large or small grains

Answer 9

Granular

Question 10

Rounded masses similar to the botryoidal form but the protuberances are more flattened

Answer 10

Mammillary

Question 11

Compact crystalline aggregates with no regular forms

Answer 11

Massive

Question 12

Splitting readily into exceedingly thin plates or sheets

Answer 12

Micaceous

Question 13

Crystals somewhat flattened in one direction

Answer 13

Tabular

Question 14

Rounded masses somewhat resembling bunches of grapes

Answer 14

Botryoidal

Question 15

Plates approximately parallel about a common center

Answer 15

Concentric

Question 16

Separate from thicker stem into several slenderer ones, similar to branches which divide into smaller sheets

Answer 16

Dendritic

Question 17

Crystals group radiating from a center

Answer 17

Divergent or Radiated

Question 18

Surface covered with a layer of small crystals

Answer 18

Drusy

Question 19

Groups of parallel slender thread-like strands: need not be easily separable

Answer 19

Fibrous

Question 20

Separate easily into plates or leaves

Answer 20

Foliated

Question 21

Aggregate of small sphere the size of fish roe

Answer 21

Oolitic

Question 22

Small globular aggregates about the size of peas or in round concretionary grains

Answer 22

Pisolitic

Question 23

Rounded grape-like or kidney-shaped masses

Answer 23

Reniform

Question 24

Lattice-like or network arrangement of slender columnar or threads

Answer 24

Reticulated

Question 25

Grains having the size of granulated sugar grains

Answer 25

Saccharoidal

Question 26

Resembling pendant cylinders or cones

Answer 26

Stalactitic

Question 27

Radiating individuals forming star-like or circular groups

Answer 27

Stellated