Internet Mineral Dealer since 2001 - Fine and Rare Mineral specimens.
Advanced Search
Account  Cart  Checkout 

Specimens online:418
Reserved spec.:23
Act.Customers:2340
Countries n°:61
What's New
1 - Kammererit (GMi)
2 - Cavansite (GMi)
3 - Hubnerite (GMi)
4 - Datolite (GMi)
5 - Pectolite (GMi)
6 - Cinnabar (GMi)
7 - Kunzite (GMi)
8 - Roselite, (Rol)
9 - Grossular, (Rol)
10 - Pyrite (Rol)
11 - Azurite (Rol)
12 - Kulanite (Rol)
13 - Chalcophyl (Rol)
14 - Calcite (Rol)
15 - Wulfenite (Rol)
16 - Euxenite-( (Rol)
17 - Sphalerite (Rol)
18 - Barrerite (Min)
19 - Leightonit (Min)
20 - Tarbuttite (Min)
21 - Bultfontei (Min)
22 - Whewellite (Min)
23 - Vaesite (Min)
24 - Arsentsume (Min)
25 - Enargite x (Rol)
26 - Brochanite (Rol)
27 - Kinoite xx (Rol)
28 - Hematite (Rol)
29 - Smoky gwin (Rol)
30 - Gold xx (Rol)
31 - Euxenite-( (Rol)
32 - Sphalerite (Rol)
33 - Silver (Rol)
34 - Zinkenite, (Rol)
35 - Boleite (T (Min)
36 - Legrandite (Min)
37 - Bastnäsite (Min)
38 - Allanite-( (Min)
39 - Monazite-( (Min)
40 - Tetrahedri (Min)
41 - Onoratoite (Min)
42 - Elbaite (Min)
43 - Goyazite (Min)
44 - Manganvesu (Min)
45 - Spinel (Min)
46 - Columbite- (Min)
47 - Kutnohorit (Min)
48 - Fluorite, (Min)
49 - Fluorite, (Min)
50 - Malachite (Min)
51 - Cerrusite (Min)
52 - Rutile (Min)
53 - Leucite wi (Min)
54 - Vesuvianit (Min)
55 - Spessartin (Min)
56 - Quartz var (Min)
57 - Andradite (Rol)
58 - Grossular, (Rol)
59 - Stolzite (Rol)
60 - Offrettite (Rol)

Hydroxylherderite - Dassu, Braldu valley, Gilgit-Baltistan, Pakistan (#:MINS8880)

Glassy green Herderite crystals on minor matrix in fine condition. The crystals shows sharp edge modifications and striated faces. From a find in 2005, the crystal here is 2,1 cm in diameter and transparent to translucent.

Formula :
CaBe[(F,OH)/PO4]

System: monoclinic Hardness:5-5½ Rarity:not common
Strunz id:VII/B.1-10 - PHOSPHATES, ARSENATES and VANADATES
Name origin: Named "hydro-herderite" in 1894 by Samuel L. Penfield. Named changed to "hydroxyl-herderite" by Palache, Berman, and Frondel in 1954. Originally named for Siegmund August Wolfgang von Herder (1776-1838), Mining official in Freiberg, Germany. The "Hydroxyl-" prefix signifies the dominance of hydroxide over fluorine.

Specimen weight:15 gr.
Crystal size:Up to 2,1 cm wide
Overall size: 35mm x 27 mm x 25 mm




Related Products :
2-(MI) - Miniature (Max 5.0 cm) Pakistan
Search Related Products
Minservice (Sondrio - Italy) Minservice Galleries Main
  
Hydroxylherderite - Dassu, Braldu valley, Gilgit-Baltistan, Pakistan

Product Inquiry



switch images in [1] (original size) or [2] columns (resized images)



switch images in [1] (original size) or [2] columns (resized images)

Multiple currency display