Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Rock Crystal from
Gioia quarries (Gioia-Casette quarries; Gioia-Casette quarrying basin), Casette, Massa, Massa-Carrara Province, Tuscany, Italy


03964200017367648761515.jpg
Rock Crystal, etc.

Gioia quarries, Casette, Massa, Massa-Carrara Province, Tuscany, Italy
03964200017367648761515.jpg
Rock Crystal, etc.

Gioia quarries, Casette, Massa, Massa-Carrara Province, Tuscany, Italy
03964200017367648761515.jpg
Rock Crystal, etc.

Gioia quarries, Casette, Massa, Massa-Carrara Province, Tuscany, Italy
Locality type:Quarry
Classification
Species:Quartz var: Rock Crystal
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite1
Data
Mineral Data:Click here to view Rock Crystal data
Locality Data:Click here to view Gioia quarries (Gioia-Casette quarries; Gioia-Casette quarrying basin), Casette, Massa, Massa-Carrara Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:872008
Long-form Identifier:1:3:872008:5
GUID (UUID V4):0
Nearest other occurrences of Rock Crystal
65.2km (40.5 miles) ⓘLe Ferriere, Rio Ardenza (Rio Popogna), Livorno, Livorno Province, Tuscany, Italy
71.2km (44.2 miles) ⓘNibbiaia, Rosignano Marittimo, Livorno Province, Tuscany, Italy
References
Martins da Pedra collection
 
and/or  
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