Why sheet sizes do not agree with each other
Every pattern has its own repeat, and the sheet is cut to a whole number of them. A herringbone unit is a rectangle set at an angle, a chevron is cut on the diagonal, a standard penny sheet packs on an offset grid and a basket weave repeats in pairs. So the sheet dimension is whatever a whole number of that particular repeat comes to, which is a round foot for some chips and an odd fraction for most.
So the size field on this page is describing a pattern, where on a field tile it describes a standard. That is why two sheets both sold as mosaic can be a quarter inch apart in both directions, and why the figure is worth reading when sheets meet a field tile. The hexagon tile and mosaic page works the geometry through for the hexagon case.
The chip figure inside the title
A second number often sits inside the product name: 5/8x5/8, 1x1, 1x2, 2x2. That is the chip, and it is the figure that decides how the finished surface looks.
The sheet is packaging and the chip is the product. A 12x12 sheet of 5/8 inch squares and a 12x12 sheet of 2x2 squares are the same purchase area and two completely different walls, and only the second number tells you which one is arriving.
Four materials, one white
Marble is the leading material here, then porcelain, then glass and ceramic, with a small metal group behind them. All of it reads as white from across a room, which is the property that makes the color hub worth reading alongside this page.
Up close the materials separate immediately. Marble has figure in each chip, glass has depth and returns light from below the surface, porcelain is even, and the metal pieces are accent products, not fields. White tile and mosaic explains how the materials behave.
The mosaic pattern list
Square and rectangular chips carry the bulk of it, and after them come hexagon, herringbone, basket weave, penny round, arabesque and chevron. That is most of the classical mosaic vocabulary in one color.
Each one does a different thing to a wall. Herringbone and chevron have direction and pull the eye along a run. Basket weave and penny round have none and read as texture. Hexagon sits between the two, since it has no direction but a very visible outline.
Rock face and staggered joint
Two construction terms turn up in the titles, and both describe how the chips were prepared, where the rest of the title names a shape. A rock face chip is split rather than sawn, so it stands proud of the sheet and the wall carries relief.
A staggered joint sheet offsets each row against the one above it, which is a running bond built into the mesh. Both are decisions the maker took before the sheet was mounted, and neither can be changed afterwards.
How much joint a small chip carries
A mosaic carries more joint per square foot than any other tiled surface, and the smaller the chip the more of it there is. A 5/8 inch chip on a narrow joint still leaves most of the face as stone, around four fifths of it, but the line between the pieces is now continuous in both directions and the eye reads it as a grid rather than as a gap.
That is why the joint color carries so much weight here. A matched joint lets a sheet read as one textured surface; a contrasting one turns the same sheet into a visible pattern of separate pieces. On a white mosaic the decision is unavoidable, because a white chip beside a gray joint is a design choice whether anybody made it deliberately or not.
Pebble at the white end
Pebble appears here too, under names like Snowflake, Tide, Sandy Beach and Tan. These are river stones sorted for their pale tones and mounted on mesh, so the color arrived with the stone itself, where a cut mosaic takes it from a glaze or a quarry block.
A pebble sheet is a different product from a cut mosaic in every way that matters: full relief, no straight edges, and a surface that belongs on a shower floor or a spa step more than on a wall.
Where white mosaic goes
A bathroom floor, a shower floor, a niche, a backsplash and a band inside a field of larger tile. Mosaic goes where a surface is small, where it is read at close range, or where it is not flat.
For the same color in field tile, white porcelain tile and white marble tile are the two material pages. For every other color of sheet, mosaic tile is the full range.
