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Natural Phosphosiderite Rough
Our Phosphosiderite is absolutely natural and has not been treated in any way. Because Phosphosiderite is soft (MOHs 3.5 to 4) it can be stabilized in order to create a harder and darker gem. Although the locality has been atributed to Brazil and Argentina, Phosphosiderite in massive form only comes from Chile. Phosphosiderite is Hydrous iron potassium oxide. It generally takes a good polish with diamond, followed with green rouge (Zam is a brand name for green rouge). Mohs hardness 3.5 to 4.0.

Natural Phosphosiderite Rough - $19.50/pound
Locality: Chile

Cabochon cut from Phosphosiderite.

Sample of Phosphosiderite Rough.
Item Number
Description
Weight
Price
Phosphosiderite Rough#1
 Triangular piece measures approximately 6-1/2" x 6-1/2" x 4 to 2-1/2" thick.
11.56 pounds
$225.42
Phosphosiderite Rough#2
 Triangular shape measures approximately 5-1/2" x 5" x 3-1/2" to 2" thick. SOLD
5.10 pounds
$99.45
Phosphosiderite Rough#3
 Measures approximately 4-1/2" x 3 to 2-1/2" x 2-1/2" to 1-1/2" thick. SOLD
2.78 pounds
$54.21
Phosphosiderite Rough#4
 Measures approximately 3-1/2" x 3-1/4" x 3-1/2" to 1-1/2" thick. SOLD
2.28 pounds
$44.46
Phosphosiderite Rough#5
 Triangular shape measures approximately 3-1/2" x 2-7/8" x 1-1/2" to 3/8" thick.
0.57 pounds
$11.12
Phosphosiderite Rough#6
 Triangular shape measures approximately 2-3/8" x 2-1/4" x 1-3/4" to 1/4" thick.
0.54 pounds
$10.53
Phosphosiderite Rough#7
 Triangular shape measures approximately 2-1/2" x 2-1/4" x 1-3/8" to 3/8" thick. SOLD
0.38 pounds
$7.41
Phosphosiderite Rough#8
 Triangular shape measures approximately 2-1/2" x 2-1/4" x 2" to 1/4" thick.
0.35 pounds
$6.83
Agate   Alunite   Angelite   Assortments   Bronzite Hypersthene   Calcite   Chalcedony   Charoite   Chrysocolla   Chrysoprase   Coral (Fossilized)   Crinoid Marble   Dinosaur Bone   Dolomite   Dumortierite   Golden Amphibolite   Goldstone   Graphic Stone   Jade   Jasper   Lepidolite   Obsidian   Petrified Wood   Phosphosiderite   Psilomelane   Rhyolite   Ruby-in-Fuchsite   Ruby-in-Zoisite   Selected Materials   Seraphinite (Clinoclore)   Stichtite   Tiger Eye   Tumbling Rough   Turquoise   Variscite  
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