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Apophyllite Calcite On Hematite & Hedenbergite

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DLG636812

Apophyllite Calcite On Hematite & Hedenbergite

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Description Tabs

Description
Locality: 
2nd Sovetskii Mine, Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 5.9 × 2 cm
Description

Small, shiny, transparent crystals of apophyllite on black hematite and calcite. Calcite is disk-shaped and partially colored not in black but in purple. What exactly made calcite purple color? I do not know.

Mineral Data
What's on the rock

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Calcite

Polymorph of: 
Aragonite and Vaterite
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Hedenbergite

Formula: 
CaFe2+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.5
Type Locality: 
Mormorsgruvan, Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland, Sweden

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All according to auction rules.If you have questions, or you still want additional photos of minerals, please write.I will try to make sure that you are satisfied with your purchase. For this:
-I will not use any software products to embellish the sample;
-maximum accurately report the size of the sample;
-to measure my knowledge and experience and according to my opinion, honestly make a description.

If you do not like the sample, then I'm ready to give you money back. But, please note that you must inform me of your intentions to return the item, not later than 5 days after its receipt. Otherwise I will consider the transaction to be complete. Return shipping of the item is paid by the buyer. The item must be sent in the same condition as it was received. The buyer is responsible for the return shipping.

 

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