Clipart illustrations of crystals of numerous minerals. These crystalline minerals are created through natural processes, and so often times there are numerous crystal shapes for any given mineral (polycrystalline materials).
|
Calcite
"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912... |
|
Calcite
Rhombohedron calcite crystal... |
|
Calcite
A flat rhombohedron calcite crystal... |
|
Calcite
An acute rhombohedron calcite crystal... |
|
Calcite
A prism and rhombohedron calcite crystal... |
|
Calcite
A scalenohedron and rhombohedron calcite crystal... |
|
Calcite
A basal pinacoid, prism, and rhoombohedron calcite crystal... |
|
Calcite
A calcite crystal... |
|
Calcite
A calcite crystal... |
|
Calcite
A calcite crystal... |
|
Calcite
A calcite crystal... |
|
Calcite Crystals
This illustration shows calcite crystals. They are hexagonal-rhombohedral, though actual calcite rhombohedrons are rare as natural crystals.... |
|
Cassiterite
Cassiterite.... |
|
Cassiterite
"Tetragonal. Common forms are prisms and pyramids of first and second orders." — Ford, 1912... |
|
Cassiterite
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque but is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite is the chief... |
|
Cassiterite
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque but is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite is the chief... |
|
Cassiterite
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque but is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiteri... |
|
Celestite
Celestite.... |
|
Celestite
"Orthorhombic. Crystals resemble closely those of barite. Commonly tabular parallel to the base or prismatic parallel to the brachy- or macro-axis with prominent development of the domes. Crystals ... |
|
Center, symmetry
"A crystal has a center of symmetry if an imaginary line is passed from some point on its surface through its center, and a similar point is found on the line at an equal distance beyond the center." ... |
|
Cerussite
"Habit varied and crystal show many forms. Crystals often tabular parallel to brachypinacoid." — Ford, 1912... |
|
Chabazite
Chabazite.... |
|
Chabazite
"Hexagonal-rhombohedral. Common form is the simple rhombohedron, r, having nearly cubic angles. May show several different rhombohedrons." — Ford, 1912... |
|
Chalcanthite
Chalcanthite.... |
|
Chalcocite
"Orthorhombic. Usually in small tabular crystals with hexagonal outline. Striated parallel to the brachy-axis." — Ford, 1912... |