17-December-2020 Thursday
About minerals. No. 8
11-December-2020 Friday
About minerals. No. 7
06-December-2020 Sunday
About minerals. No. 6
03-December-2020 Thursday
About minerals. No. 5
28-November-2020 Saturday
About minerals. No. 4
21-November-2020 Saturday
About minerals. No. 3
17-November-2020 Tuesday
About minerals. No. 2
16-November-2020 Monday
About minerals. No. 1
10-November-2020 Tuesday
Virus protection
31-October-2020 Saturday
Mineral Box #2 (now with lid)
27-October-2020 Tuesday
Do it yourself
09-May-2020 Saturday
Infuriating
30-April-2020 Thursday
All! What do you think these minerals are?
29-April-2020 Wednesday
Almost all. What kind of specimens are these?
29-April-2020 Wednesday
What is it?
29-April-2020 Wednesday
And the question is, what is this mineral?
28-April-2020 Tuesday
What kind of mineral is this? It's quartz!
27-April-2020 Monday
What kind of mineral is this?
21-January-2020 Tuesday
It makes sense if you think about it
21-January-2020 Tuesday
Observations
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