Below are the sizes of the individual FireStones used in our various FireStone Assortment Packs. One of the attachments is a PDF of this information. The other is a photo representation of the relative sizes of the various STA FireStones Assortment Packs (it helps tell the story about the differences between the packs - please be sure to look at it). 

Please note: FireStones are sold in the below assortments or in sets, but are not sold individually. We do not break pack due to our manufacturing process for this product category.

Offer standard set sizes to fit onto our CS and CXF burners. The sets are combinations of the below STA FireStones Assortment Packs:

Set Size Item #         Consists of:                         Area Covered (mound of stones)
18"          STXX-18A     1-STA1; 1-STA2; 1-STA3     18" x 12" (1.5 sq. ft.)
24"          STXX-24A     1-STA1; 2-STA2; 2-STA3     24" x 12" (2.0 sq. ft.)
30"          STXX-30A     2-STA1; 2-STA2; 3-STA3     30" x 12" (2.5 sq. ft.)
36"          STXX-36A     1-STA1; 5-STA4                    36" x 16" (4.0 sq. ft.)

 (note: "XX" in item number is for the color. See Ceramic Stain Colors )

STA1 - Large Size Stone Assortment (six stones). Covers .75 sq. ft. (stones laid flat touching each other)
Item   Wt (lbs)   Height  Length  Width 
ST1       2.20        2.75       7.00      3.75 
ST2       1.75        2.75       5.25      4.00 
ST16     1.05        2.25       5.25      3.38 
ST17     1.80        2.75       6.00      3.25 
ST18     1.45        1.88       6.38      3.75 
ST19     1.80        2.50       5.50      4.00 

STA2 - Medium Size Stone Assortment (six stones). Covers .5 sq. ft. (stones laid flat touching each other) 
Item    Wt (lbs)   Height  Length  Width 
ST3       1.35         2.75       4.50      3.50 
ST4       0.60         1.75       4.75      3.00 
ST7       0.50         1.13       3.63      3.25 
ST10     0.75         1.63       4.25      3.00 
ST11    1.05          2.50       4.50      3.13 
ST15    0.50          1.50       3.75      3.13 
 
STA3- Small Size Stone Assortment (seven stones). Covers .5 sq. ft. (stones laid flat touching each other)
Item    Wt (lbs)   Height   Length   Width 
ST5       0.55         1.88        3.50       3.25 
ST6       0.65         1.75        3.88       2.75 
ST8       0.45         1.38        3.75       3.00 
ST9       0.65         1.75        3.25       3.00 
ST12     0.65         2.00        3.13       3.00 
ST13     0.40         1.50        3.25       2.75 
ST14     0.25         1.00        2.75       2.50 

STA4 - Extra Large Size Stone Assortment (six stones). Covers 1.25 sq. ft. (stones laid flat touching each other)
Item    Wt (lbs)   Height   Length   Width 
ST20     1.75          2.50      6.00        4.25 
ST21     1.75          2.75      6.00        4.50 
ST22     2.10          2.50      6.25        4.50 
ST23     2.70          3.75      6.50        3.75 
ST24     2.50          3.00      7.50        4.25 
ST25     3.55          4.00      7.00        4.50 

STA5 - Pebbles Assortment (approx. 40 stones). Covers 1.0 sq. ft. 
Various sizes ranging from 1.5" to 2.5" long; 0.5" to .875" high.