Donate now to keep mindat.org alive!Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Giuliano Bettini's Photo Gallery

Botryogen (?)

Maffei Mine, Botro ai Marmi, Campiglia Marittima, Campigliese, Livorno Province, Tuscany, Italy

Very hard to photograph.
Largest crystal size: 0.1 mm.
Not analyzed. Possibly botryogen.
Silvana Cosmi collection. Photo Giuliano Bettini.
Photo ID: 854698     Uploaded by: Giuliano Bettini   View Count: 3   Approval status: User gallery    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)

Generators for each class

Colors show the number of generators for each crystal class.
Photo ID: 854072     Uploaded by: Giuliano Bettini   View Count: 4   Approval status: User gallery    Type: Photo - 3000 x 2964 pixels (8.9 Mpix)

Number of generators vs bits

The increasing number of generators for the 32 crystal classes, compared with the increasing number of bits in a 5-bit classification.
Photo ID: 854064     Uploaded by: Giuliano Bettini   View Count: 5   Approval status: User gallery    Type: Photo - 3000 x 4000 pixels (12.0 Mpix)

Groups - subgroups

Relationships between
top - the subgroups of the holohedral class of the cubic system (source: Internet)
and
bottom: - the 5-bit classification.
Photo ID: 854061     Uploaded by: Giuliano Bettini   View Count: 5   Approval status: User gallery    Type: Photo - 3000 x 4000 pixels (12.0 Mpix)

Generators

Generators’ Tables for the 32 Crystal Classes (source: Internet).
Photo ID: 854058     Uploaded by: Giuliano Bettini   View Count: 5   Approval status: User gallery    Type: Photo - 3000 x 2964 pixels (8.9 Mpix)

3YE-FY1Hematite : Fe2O3

Campo di Sasso, Bibbona, Livorno Province, Tuscany, Italy

Largest Crystal Size: 0.6 mm

A 0.6 mm thin flat crystal, with light blue tarnish.
Photo ID: 853479     Uploaded by: Giuliano Bettini   View Count: 10   Approval status: Public galleries    Type: Photo - 3673 x 2449 pixels (9.0 Mpix)

FQ2-ALASemseyite : Pb9Sb8S21

Multiple photos available
Campo di Sasso, Bibbona, Livorno Province, Tuscany, Italy

Field of View: 3 mm

Semseyite(?) - visually identified; the mineral seems to be have been tentatively(?) identified, see http://forum.amiminerals.it/viewtopic.php?t=3947
Field of View: 3 mm.
Giuliano Bettini coll. & photo.
Photo ID: 849668     Uploaded by: Giuliano Bettini   View Count: 43   Approval status: Public galleries    Type: Photo - 3006 x 2255 pixels (6.8 Mpix)

5UQ-8H3Pyrrhotite : Fe7S8

Maffei Mine, Botro ai Marmi, Campiglia Marittima, Campigliese, Livorno Province, Tuscany, Italy

Field of View: 2.2 mm

A loose, brass-yellow pyrrhotite crystal, sticked to a magnet.
Coll. & photo: Giuliano Bettini.
Photo ID: 848312     Uploaded by: Giuliano Bettini   View Count: 11   Approval status: Public galleries    Type: Photo - 2248 x 2247 pixels (5.1 Mpix)

M4Y-LQYPyrrhotite : Fe7S8

Maffei Mine, Botro ai Marmi, Campiglia Marittima, Campigliese, Livorno Province, Tuscany, Italy

Largest Crystal Size: 0.3 mm

A mini (0.3 mm) pyrrhotite crystal.
By comparison, the software model to the left shows the faces 101 (green), 001 (red-orange) and 100 (white).
Giuliano Bettini collection & photo.
Photo ID: 847853     Uploaded by: Giuliano Bettini   View Count: 24   Approval status: Public galleries    Type: Photo - 2028 x 1352 pixels (2.7 Mpix)

LWK-WCHAugite (Var: Fassaite) : (CaxMgyFez)(Mgy1Fez1)Si2O6

Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy

Field of View: 3.5 mm

A gift from Guelfo Balestri, collected in the early 1980s.
Full specimen size: 50 x 45 x 22 mm
(posted in another photo).
Giuliano Bettini collection and photo.
Photo ID: 846260     Uploaded by: Giuliano Bettini   View Count: 8   Approval status: Public galleries    Type: Photo - 3472 x 2604 pixels (9.0 Mpix)
Page 1 of 76 (1 to 10 of 751 total)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 16, 2017 05:14:27
Go to top of page