|
A general guide for using the Forum with some rules and tips
The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
|
| Search found 10 matches |
| Author | Message |
|---|---|
 Topic: what rock/mineral is this? (2) |
|
| Marjolein van Braak Replies: 6 Views: 3741 |
 Forum: What is it? - Where is it from? Posted: Aug 29, 2021 06:13 Subject: Re: what rock/mineral is this? (2) |
| Thank you, for you help! From now on I will first try to identify with mindat.
Most of the time I do have a basic idea of what it could be. As a kid I collected around 200 specimens or so. But now ... |
|
| Topic: what rock/mineral is this? (2) |
|
| Marjolein van Braak Replies: 6 Views: 3741 |
Forum: What is it? - Where is it from? Posted: Aug 28, 2021 14:54 Subject: Re: what rock/mineral is this? (2) |
| This appears to be a specimen of baryte (cream colored) and vanadanite (dark rust-red colored) from Mibladen, Morocco. The little crystals on the back might be pyromorphite; they're a little blurry. ... | |
| Topic: what rock/mineral is this? (2) |
|
| Marjolein van Braak Replies: 6 Views: 3741 |
Forum: What is it? - Where is it from? Posted: Aug 28, 2021 12:56 Subject: what rock/mineral is this? (2) |
| Can someone help me with this one? The red crystals are Vanadinite. But what are the light brown (smaller) crystals? And is the white/yellowish underside baryte? Or is there another mineral that looks ... | |
| Topic: Mookaite? |
|
| Marjolein van Braak Replies: 2 Views: 2406 |
Forum: What is it? - Where is it from? Posted: Aug 28, 2021 12:31 Subject: Mookaite? |
| These rocks were labelled Mookaite (from Kennedy Range Australia). I am not 100% sure anymore if this was the right label. Could it be?
Hardness is 6-7 |
|
| Topic: what rock/mineral is this? |
|
| Marjolein van Braak Replies: 1 Views: 1985 |
Forum: What is it? - Where is it from? Posted: Aug 28, 2021 12:22 Subject: what rock/mineral is this? |
| Another mineral that I can't figure out. Some of the green pieces do look like green tourmaline. Google searches led me to actinolite. But neither of these are convincing for me.
If you need more ... |
|
| Topic: Green botryoidal formation |
|
| Marjolein van Braak Replies: 6 Views: 4160 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 28, 2021 11:58 Subject: Re: Green botryoidal formation |
| What is the black mineral on your specimen? On mindat there are a couple of photo's of malachite with botryoidal hematite.
If you mean the 'black' botryoidal formation in the middle. This is actual ... |
|
| Topic: Green botryoidal formation |
|
| Marjolein van Braak Replies: 6 Views: 4160 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 28, 2021 07:34 Subject: Re: Green botryoidal formation |
| The hardness is around 3.The streak color is light green. | |
| Topic: Black stones |
|
| Marjolein van Braak Replies: 4 Views: 3285 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 28, 2021 07:14 Subject: Re: Black stones |
| Thank you for the reply, the hardness of the second specimen is indeed about the same as quartz. The second one is a little bit harder to determine, but I think it is also approximately the same. Quar ... | |
| Topic: Green botryoidal formation |
|
| Marjolein van Braak Replies: 6 Views: 4160 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 28, 2021 06:47 Subject: Green botryoidal formation |
| I am not sure about this one. It could be malachite? The light green feels soft to the touch, but if you've touched it, the thin layer seems damaged. I don't know where it comes from. | |
| Topic: Black stones |
|
| Marjolein van Braak Replies: 4 Views: 3285 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 28, 2021 06:35 Subject: Black stones |
| I am not really sure about those 2 stones. My 2 guesses are black hornblende or black tourmaline, but it could be that I am wrong, black stones drive me crazy at times. I also have no clue where those ... | |
All times are GMT - 5 Hours |
FAQ 
Register
Log in
Forgotten your password?
