With the appropriate writing instrument or material, yes.
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
it is used to test streak, for rocks and minerals
To test the streak of a mineral, you will need a streak plate (unglazed porcelain), the mineral sample, and a way to scratch the mineral against the streak plate to observe the color of the powder residue left behind.
The mineral that leaves a green-black powder when rubbed on a porcelain plate is called "serpentine." This mineral is commonly associated with a greenish color and can produce a dark streak when scratched against a harder surface like porcelain. The streak test is a useful method for identifying minerals based on the color of their powder.
A streak plate on the Mohs scale is a piece of unglazed porcelain used to determine the color of a mineral in powdered form. By rubbing the mineral against the streak plate, it leaves a streak that can be compared to the standard colors on the scale to identify the mineral.
The Body of Christ Porcelain Plate?
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
$300
Here are 3 examples:Sometimes porcelain can be expensive.Be careful with that porcelain vase.Thank you for the beautiful porcelain plate.
hematite
Porcelain has a Mohs hardness of approximately 6-7, making it a relatively hard material. This hardness allows porcelain to be used as a streak plate in mineral testing to determine the color of a mineral's powder when scratched against it.
I really have no ideal.
It is a very simply designed plate, with no embellishments. Usually ceramic, but some are porcelain.
i would say at least 35 and up
plate or somethings can put in it.
A streak plate
No, and a broken plate will contaminate a whole crate of recycled glass.