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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Quartz from
Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland


Locality type:Pegmatite
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite14
- var Lithian Muscovite1
Hurlbutite8
Fluorapatite8
- var Manganese-bearing Fluorapatite4
Väyrynenite7
Elbaite6
Topaz6
Albite6
- var Cleavelandite3
Lithiophilite5
Amblygonite5
Microcline5
Montebrasite5
Beryllonite4
Fluorite3
Columbite-(Mn)3
Senarmontite2
Hydroxylherderite2
Vivianite2
Valentinite2
Cassiterite2
Beryl2
Fairfieldite2
Herderite1
Columbite-(Fe)-Columbite-(Mn) Series1
Triplite1
Alluaudite1
Biotite1
Lepidolite1
Trilithionite1
Hureaulite1
Feldspar Group1
Morinite1
Hydroxylapatite1
Tantalite-(Mn)1
Tourmaline1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
Data Identifiers
Mindat Occurrence Record ID:98763
Long-form Identifier:1:3:98763:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
3.9km (2.4 miles) ⓘKatottomanvuori, Eräjärvi area, Orivesi, Pirkanmaa, Finland
8.6km (5.4 miles) ⓘKatila, Eräjärvi area, Orivesi, Pirkanmaa, Finland
11.9km (7.4 miles) ⓘEräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
28.3km (17.6 miles) ⓘKutemajärvi mine, Orivesi, Pirkanmaa, Finland
49.7km (30.9 miles) ⓘKaapelinkulma, Valkeakoski, Pirkanmaa, Finland
55.3km (34.4 miles) ⓘNiemikylä granite quarries, Kuru, Ylöjärvi, Pirkanmaa, Finland
59.0km (36.7 miles) ⓘMoottoritie, Valkeakoski, Pirkanmaa, Finland
59.6km (37.0 miles) ⓘVatanen, Pirkkala, Pirkanmaa, Finland
60.8km (37.8 miles) ⓘKeurusselkä impact structure, Pirkanmaa, Finland
66.2km (41.1 miles) ⓘTammijärvi, Luhanka, Central Finland, Finland
References
Sandström, Frej, Lahti, Seppo I. (2009) Viitaniemipegmatiten i Eräjärvi, Orivesi, Finland. Litofilen. Medlemsblad för Västerås AmatörGeologiska Sällskap, 26 (1) 11-38
 
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