Works well, but note that with some mobiles they cannot slide on far enough to cover the camera lens - so check the distance of your lens from the edge of your phone. For example, won't work on Galaxy 10 phone.
A great aid to mineral identification, as you can see small crystal shapes and cleavage that you would not see otherwise, and lets you scratch and see the colour of the powder (the streak) on tiny samples - using a needle.
A great aid to mineral identification, as you can see small crystal shapes and cleavage that you would not see otherwise, and lets you scratch and see the colour of the powder (the streak) on tiny samples - using a needle.
