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.
Streak is the color of powder of a mineral on a porcelain plate.
Plate
it is used to test streak, for rocks and minerals
Topaz will leave a streak, it is just that the streak is white and will therefore not be apparent against the white background of the standard streak plate.ALSOTopaz is harder than unglazed porcelain (the streak plate), and therefore normally leaves a scratch rather than a streak.
The hardness of a porcelain streak plate will vary between 6.5-7.5 on the Mohs hardness scale.
The Body of Christ Porcelain Plate?
$300
Here are 3 examples:Sometimes porcelain can be expensive.Be careful with that porcelain vase.Thank you for the beautiful porcelain plate.
hematite
I really have no ideal.
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
It is a very simply designed plate, with no embellishments. Usually ceramic, but some are porcelain.
plate or somethings can put in it.
i would say at least 35 and up
No, and a broken plate will contaminate a whole crate of recycled glass.
A streak plate