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 370 matches |
Author | Message |
---|---|
![]() |
|
Riccardo Modanesi Replies: 8 Views: 671 |
![]() |
Hi to everybody!
I think this label requires a decoding more than a translation! Our German-speaking friend should help us! Greetings by Riccardo. |
|
![]() |
|
Riccardo Modanesi Replies: 11 Views: 601 |
![]() |
Hi to everybody!
Ok, for calling it a ruby, it should contain at least some traces of chrome. I studied gemmology in Idar-Oberstein, as the biggest majority of you should know, and in the German Gemm ... |
|
![]() |
|
Riccardo Modanesi Replies: 4 Views: 908 |
![]() |
Hi to everybody!
Ok, in Alto Adige there is almost no gemstone quality specimen, but there is a big variety of collection quality minerals! For instance, I found interesting anatases, zeolites, albit ... |
|
![]() |
|
Riccardo Modanesi Replies: 18 Views: 2202 |
![]() |
HI Steven!
Ok, there are different opinions regarding the quality of a red corundum, especially regarding up to which clarity a red corundum should be called a ruby. I studied gemology in Germany (Id ... |
|
![]() |
|
Riccardo Modanesi Replies: 18 Views: 2202 |
![]() |
Hi Fuss!
I think I'm doubtless this time: it's a ruby with zoisite (green) and hornblende (black, small), probably from Tanzania. Greetings from Italy by Riccardo. |
|
![]() |
|
Riccardo Modanesi Replies: 12 Views: 2403 |
![]() |
HI to everybody!
As a gemmologist I can say we NEVER certify the origin of a stone. Moreover, the biggest majority of gemmologists know what I think of a certification of stone origin: I mean, it's m ... |
|
![]() |
|
Riccardo Modanesi Replies: 6 Views: 1098 |
![]() |
Hi to everybody!
If you can cut it perfectly with a common knife and it feels soapy on your finger, it's talc; if it has different characters, it might be gypsum. Gypsum is also cut by a knife, but i ... |
|
![]() |
|
Riccardo Modanesi Replies: 8 Views: 2584 |
![]() |
Hi to everybody!
Really this new fell to me as a frozen shower, as we say in Italy. She was really too young to leave this world and she didn't deserve so bloody an end. My condolences to all people ... |
|
![]() |
|
Riccardo Modanesi Replies: 27 Views: 9766 |
![]() |
Hi to everybody!
I am already vaccinated by the second injection of AstraZeneca, I got it on June 6. Therefore I achieved my Italian green-pass, which certifies me of being vaccinated. Also, I purcha ... |
|
![]() |
|
Riccardo Modanesi Replies: 2 Views: 2810 |
![]() |
Hi Rgangue!
My advice is: you should look for any mineral deposit on Mindat, searching by locality. You should know that minerals likely to be found or historically found in each locality are listed ... |
|
![]() |
|
Riccardo Modanesi Replies: 19 Views: 5527 |
![]() |
Hi to everybody!
It seems like yesterday to me, when Jordi proposed to me to join the Forum, and... 15 years for the Forum and almost 10 years for my joining it are already over! I had the occasion ... |
|
![]() |
|
Riccardo Modanesi Replies: 364 Views: 166629 |
![]() |
Hi to everybody!
Here in Italy the European Greenpass will be compulsory starting from August 6 for travelling by train, bus, ferry etc, and for having meal in a restaurant (if you eat inside the res ... |
|
![]() |
|
Riccardo Modanesi Replies: 9 Views: 3483 |
![]() |
Hi to everybody!
These polished stones are by the biggest majority quartz. The brilliant-coloured ones (blue, pink...) are artificially enhanced by colouring. But... I'm afraid Jordi is not so enthus ... |
|
![]() |
|
Riccardo Modanesi Replies: 364 Views: 166629 |
![]() |
Hi to everybody!
Here in Italy the situation has significantly improved from the point of view of victims and hospitalized people, but cases are increasing again, due to the Delta variant. Ok, let's ... |
|
![]() |
|
Riccardo Modanesi Replies: 15 Views: 7143 |
![]() |
Hi to everybody!
Many years ago I was presented a fake amethyst quartz bought in Morocco by my girl-friend and her parents. I treated it with normal ethylic denaturated alcohol and... the paint got a ... |
|
![]() |
|
Riccardo Modanesi Replies: 364 Views: 166629 |
![]() |
Hi to everybody!
Here in Italy the situation is slowly improving, TOO slowly in my opinion. I got the first inoculation (AstraZeneca) on March 14 and I should get the second one next Sunday. Then... ... |
|
![]() |
|
Riccardo Modanesi Replies: 9 Views: 3819 |
![]() |
Hi to everybody!
There are plenty of minerals taking an organic or metallorganic origin: coronene, urea, whewellite, zanazziite are just some examples of them! Greetings from Italy by Riccardo. |
|
![]() |
|
Riccardo Modanesi Replies: 6 Views: 1944 |
![]() |
Hi to everybody!
There is a lot of literature concerning gemstone treatments, like diamonds. quartzes. topazes. corundums, beryls etc. A typical case is their so- called "Maxixe-beryl, which los ... |
|
![]() |
|
Riccardo Modanesi Replies: 6 Views: 4928 |
![]() |
Hi to everybody!
OK, let's cheer up! I got my first inoculation (AstraZeneca) on last March 14 and now I'm waiting to be called for the second one, it should be within May or early June. And let's ch ... |
|
![]() |
|
Riccardo Modanesi Replies: 1 Views: 1255 |
![]() |
Hi to everybody!
Ok, the biggest majority of prasiolites in trade are heated or treated amethysts, as well as the biggest majority of citrines. Nevertheless, some prasiolites like the Polish (Silesia ... |
|
All times are GMT - 5 Hours |