Reflection Axes

Some articles on reflection axes, axes:

Hexagonal Lattice
... For reflection axes, there are two possible sets of directions, mentioned above ... either none (p3) or one of the two applies p3m1 with reflection axes along the shortest connections between the rotocenters p31m in the main translation ... If there are reflection axes in the main translation directions, one of the three sets of rotocenters play a different role than the other two these reflection axes pass ...
Square Lattice - Symmetry
... With respect to reflection axes there are three possibilities None ... The points of intersection of the reflexion axes form a square grid which is as fine as, and oriented the same as, the square lattice of 4-fold ... There are reflection axes in two directions, not through the 4-fold rotocenters ...

Famous quotes containing the words axes and/or reflection:

    “Henothing common did, or mean,
    Upon the memorable Scene:
    But with his keener Eye
    The Axes edge did try:”
    —Andrew Marvell (1621–1678)

    “If the contemplation, even of inanimate beauty, is so delightful; if it ravishes the senses, even when the fair form is foreign to us: What must be the effects of moral beauty? And what influence must it have, when it embellishes our own mind, and is the result of our own reflection and industry?”
    —David Hume (1711–1776)