Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Quartz

Views:
Watches:
BRT536621

Quartz

Description Tabs

Description
Locality: 
Hishikari Mine, Kagoshima Prefecture, Kyushu Region, Japan
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 4.6 × 4.3 cm
Weight: 
202.00gr
Description

High grade finely banded quartz vein. There are submicroscopic specks / clots of opaque mineralisation.

Izawa et al [1990] report the principal metallic minerals are electrum, naumannite-aguilarite, pyrargyrite, chalcopyrite, pyrite and marcasite, with minor amounts of sphalerite, galena, stibnite, tetrahedrite, miargyrite, hessite (?), Ag-Au selenide, acanthite, Cd-sulfide (greenockite or hawleyite), and hematite. The grain size of electrum generally ranges from less than 1 to 25 microns rarelyexceeds 0.1 mm contains 66-81 wt.% gold (average 70 wt.%

The clost are likely electrum / naumannite.

The samples is from the Hosen No. 2 vein.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Item Toolbox