geomaterials_streak: retrieve the geomaterials that match an given streak.
Description
: Queries the list of geomaterials that match an given steak.
Usage
geomaterials_streak(str,...)
Value
df, a data frame of geomaterials
Arguments
str
string. The color of the streak (color of powdered mineral)
...,
Further named parameters.Other optional arguments.
Details
This function releated to the fields "steak" of geomaterials.
The color of the streak (color of powdered mineral).
retrieve the geomaterials that has the given steak.