I made some rock/mineral banners to for a server that blend in with wool to look like a rock collection (banner commands in comments)

Labradorite /give @p light_blue_banner{BlockEntityTag:{Base:3,Patterns:[{Pattern:gru,Color:11},{Pattern:tt,Color:7},{Pattern:cr,Color:9},{Pattern:tl,Color:3},{Pattern:gra,Color:15},{Pattern:ms,Color:3},{Pattern:mc,Color:11},{Pattern:hhb,Color:12},{Pattern:lud,Color:12}]}} 1

Pyrite /give @p minecraft:orange_banner{BlockEntityTag:{Patterns:[{Pattern:ms,Color:14},{Pattern:gra,Color:4},{Pattern:ls,Color:14},{Pattern:tl,Color:0},{Pattern:tr,Color:4},{Pattern:tt,Color:4},{Pattern:tr,Color:0},{Pattern:gra,Color:4},{Pattern:cbo,Color:0},{Pattern:hhb,Color:12},{Pattern:bo,Color:12}]}} 1

Peridot /give @p lime_banner{BlockEntityTag:{Base:5,Patterns:[{Pattern:vh,Color:0},{Pattern:cbo,Color:15},{Pattern:gru,Color:13},{Pattern:mr,Color:5},{Pattern:gra,Color:3},{Pattern:cr,Color:12},{Pattern:rud,Color:12},{Pattern:ld,Color:12}]}} 1

Opal /give @p minecraft:lime_banner{BlockEntityTag:{Patterns:[{Pattern:pig,Color:4},{Pattern:glb,Color:6},{Pattern:flo,Color:0},{Pattern:moj,Color:3},{Pattern:gra,Color:0},{Pattern:gru,Color:0},{Pattern:cbo,Color:12},{Pattern:ts,Color:12},{Pattern:bs,Color:12}]}} 1

Boulder Opal /give @p minecraft:black_banner{BlockEntityTag:{Patterns:[{Pattern:ss,Color:5},{Pattern:sc,Color:12},{Pattern:dls,Color:3},{Pattern:bri,Color:11},{Pattern:cr,Color:12},{Pattern:drs,Color:15},{Pattern:gra,Color:0},{Pattern:ts,Color:12},{Pattern:rud,Color:12}]}} 1

Selenite /give @p minecraft:gray_banner{BlockEntityTag:{Patterns:[{Pattern:bri,Color:15},{Pattern:tl,Color:3},{Pattern:gra,Color:0},{Pattern:flo,Color:0},{Pattern:ss,Color:8},{Pattern:cbo,Color:12},{Pattern:gru,Color:0},{Pattern:rs,Color:12},{Pattern:ls,Color:12}]}} 1

Sodalite /give @p minecraft:purple_banner{BlockEntityTag:{Patterns:[{Pattern:sc,Color:3},{Pattern:cre,Color:4},{Pattern:flo,Color:11},{Pattern:ss,Color:0},{Pattern:bri,Color:11},{Pattern:gra,Color:11},{Pattern:cbo,Color:12},{Pattern:ts,Color:12},{Pattern:bo,Color:12}]}} 1

Lapis /give @p minecraft:blue_banner{BlockEntityTag:{Patterns:[{Pattern:gra,Color:3},{Pattern:ts,Color:12},{Pattern:mr,Color:11},{Pattern:mc,Color:4},{Pattern:pig,Color:0},{Pattern:cre,Color:11},{Pattern:glb,Color:11},{Pattern:cbo,Color:12},{Pattern:bs,Color:12}]}} 1

Pearl /give @p minecraft:white_banner{BlockEntityTag:{Patterns:[{Pattern:flo,Color:4},{Pattern:gra,Color:3},{Pattern:gra,Color:6},{Pattern:mc,Color:0},{Pattern:cbo,Color:12},{Pattern:bs,Color:12},{Pattern:bo,Color:12},{Pattern:ts,Color:12}]}} 1

Chalcopyrite /give @p minecraft:gray_banner{BlockEntityTag:{Patterns:[{Pattern:gra,Color:11},{Pattern:flo,Color:4},{Pattern:tl,Color:10},{Pattern:bri,Color:3},{Pattern:cre,Color:2},{Pattern:cbo,Color:3},{Pattern:bri,Color:11},{Pattern:rd,Color:12},{Pattern:bl,Color:12}]}} 1

Obsidian /give @p minecraft:black_banner{BlockEntityTag:{Patterns:[{Pattern:bri,Color:7},{Pattern:bl,Color:0},{Pattern:cre,Color:7},{Pattern:moj,Color:8},{Pattern:flo,Color:15},{Pattern:gru,Color:15},{Pattern:cbo,Color:12},{Pattern:hh,Color:12}]}} 1

Fluorite /give @p minecraft:purple_banner{BlockEntityTag:{Patterns:[{Pattern:ss,Color:9},{Pattern:cr,Color:2},{Pattern:mr,Color:0},{Pattern:ms,Color:11},{Pattern:sc,Color:10},{Pattern:vh,Color:12},{Pattern:ls,Color:12},{Pattern:tt,Color:12}]}} 1

Watermelon Tourmaline /give @p minecraft:green_banner{BlockEntityTag:{Patterns:[{Pattern:moj,Color:15},{Pattern:bo,Color:7},{Pattern:mr,Color:5},{Pattern:gra,Color:9},{Pattern:mc,Color:2},{Pattern:cbo,Color:12},{Pattern:ts,Color:12},{Pattern:bs,Color:12}]}} 1

Snowflake Obsidian /give @p minecraft:black_banner{BlockEntityTag:{Patterns:[{Pattern:ss,Color:0},{Pattern:sc,Color:15},{Pattern:rd,Color:15},{Pattern:bri,Color:8},{Pattern:glb,Color:15},{Pattern:pig,Color:15},{Pattern:cbo,Color:12},{Pattern:ts,Color:12},{Pattern:bs,Color:12}]}} 1

Fluorite /give @p minecraft:purple_banner{BlockEntityTag:{Patterns:[{Pattern:ss,Color:9},{Pattern:cr,Color:10},{Pattern:cr,Color:0},{Pattern:ms,Color:11},{Pattern:sc,Color:10},{Pattern:vh,Color:12},{Pattern:ls,Color:12},{Pattern:tt,Color:12}]}} 1

Septarian Nodule /give @p brown_banner{BlockEntityTag:{Base:12,Patterns:[{Pattern:rud,Color:4},{Pattern:bl,Color:7},{Pattern:bri,Color:15},{Pattern:sku,Color:12},{Pattern:gra,Color:8},{Pattern:bo,Color:15},{Pattern:drs,Color:15},{Pattern:ts,Color:12},{Pattern:tt,Color:12}]}} 1

Rose Quartz /give @p minecraft:pink_banner{BlockEntityTag:{Patterns:[{Pattern:dls,Color:0},{Pattern:gra,Color:0},{Pattern:mr,Color:0},{Pattern:cr,Color:6},{Pattern:tt,Color:12},{Pattern:tl,Color:12},{Pattern:vhr,Color:12}]}} 1