(left mouse click)
Left-click this button to select all Signity Gems in the project.

(right mouse click)
Right-click this button to select Signity Gems according to type in the project. In the Signity Toolbar of TechGems 4.1 select: Signity Gem Tools > Select Signity Gems by Type (right mouse click). The tool window will open:

From the list of available gemstones, select the type you desire. Press Exit button to close the tool window.