- Home About RM Minerals
- Virtual Photo Museum Blog RM
- Microscopy and instruments How to Buy Disclaimer
Copyright 2010-2025
rosellminerals.portalmineiro.net
RM3371 Arfvedsonite and feldspar
NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Group of prismatic arfvedsonite crystals, with parallel growth, one of them very elongated, striated faces and polycrystalline terminations, shiny and dark green, almost black, on a feldspar matrix. 5k6g68
Size: 4.2 x 3 x 2.4 cm.
Main crystal: 3.6 x 0.9 cm.
Found in ±2011.
Sold
Please, select the map area or search
in the countries index.
in the countries index.
- Europe (848)
-
- (45)
- Austria (10)
- Belgium (7)
- Bulgaria (11)
- Denmark (1)
- Slovakia (7)
- Slovenia (1)
- Spain (452)
- Finland (1)
- (101)
- Greece (12)
- Hungary (8)
- Ireland (1)
- Iceland (2)
- Italy (62)
- Kosovo (21)
- Norway (8)
- Poland (4)
- Portugal (21)
- United Kingdom (29)
- Czech Republic (8)
- Romania (13)
- Sweden (5)
- Switzerland (13)
- Ukraine (5)
- Oceania (35)
- Asia (200)
- South America (178)
- Noth America (149)
- Africa (294)
