PrettyRock.com


 The Rock Lovers Shop!     Read the RockBlog for news, contests, and discounts!  
It is much better to reprove, than to be angry secretly. - Ecclesiasticus 20:2 - Click for More
Find:        




































PrettyRock.com Faceting Contest Entries Due March 1, click here for details!

Click here for the latest in news,contests,and discounts see our RockBlog!

Free Shipping over $150!
Click for details
Mineral Library - Properties

-By Family-            -By Properties-


Top Quality Facet Rough!
Click for details
 
Click Here to Show All Columns
Click the column header for single property screen. Click 'x' to hide column.Click on '>' to sort descending. Click on '<' to sort ascending
name   < > x    family   < > x    hardness   < > x    composition   < > x    refractive_index   < > x    specific_gravity   < > x    birefringence   < > x    pleochroism   < > x    crystal_shape   < > x    rarity   < > x    colors   < > x    critical_angle   < > x    crown_angle   < > x    pavilion_angle   < >
Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  7     37.83  43  39 
Sherry Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  6  red, reddish pink  37.83  43  39 
Imperial Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  3  pinkish reddish orange  37.83  43  39 
Green Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  3  Blueish Green  37.83  43  39 
Golden Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  7  golden yellow  37.83  43  39 
Blue Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  yes  Othorhombic  3  Light to Dark Blue  37.83  43  39 
Spessartite  Garnet  6.5-7.5  Iron Aluminum Silicate  1.79-1.81  4.12-4.2  no  no  Cubic  5  orange-red to orange-pink  31.95 - 35.08  37  42 
Spessartine  Garnet  7  Iron Aluminum Silicate  1.79-1.81  4.12-4.2  no  no  Cubic  6  orange-red to orange-pink  31.95 - 35.08  37  42 
Rhodolite  Garnet  7  Iron Aluminum Silicate  1.75-1.76  3.74-3.94  no  no  Cubic  5  pink  31.95 - 35.08  37  42 
Pyrope  Garnet  7  Iron Aluminum Silicate  1.73-1.75  3.65-3.87  no  no  Cubic  6  red to dark red  31.95 - 35.08  37  42 
Hessonite (Grossular)  Garnet  6.5-7.5  Iron Aluminum Silicate  1.74  3.58-3.69  no  no  Cubic  9  yellow-brown, pinkish orange  31.95 - 35.08  37  42 
Grossular  Garnet  6.5-7.5  Iron Aluminum Silicate  1.74  3.58-3.69  no  no  Cubic  9  yellowish-green,bluish green, honey yellow, pinkish yellow, colorless  31.95 - 35.08  37  42 
Garnet  Garnet  6.5-7.5  Iron Aluminum Silicate  1.73-1.83  3.6-4.32  no  no  Cubic  9     31.95 - 35.08  37  42 
Almandine  Garnet  7.5  Iron Aluminum Silicate  1.76-1.83  3.95-4.2  no  no  Cubic  7  red to dark red  31.95 - 35.08  37  42 
Diamond  Diamond  10  carbon  2.41  3.52  no  no  Octahedral  4  white,yellow,brown,green,blue,pink,red  24.42  35  41 
Sapphire  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  7  blue,pink,violet  34.62  37  42 
Ruby  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  2  red,purplish red  34.62  37  42 
Padparadscha  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  3  orangish pink  34.62  37  42 
Corundum  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  7     34.62  37  42 
Red Beryl  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  1  red, reddish pink  39.22  42  43 
Morganite  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  7  yellow, golden yellow  39.22  42  43 
Heliodor  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  8  yellowish green, greenish yellow  39.22  42  43 
Emerald  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  2  green  39.22  42  43 
Beryl  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  8     39.22  42  43 
Aquamarine  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  yes  Hexagonal  6  greenish blue, blue, blueish green  39.22  42  43 
Ammonite  Ammonite  varies  Organic  1.52-1.68  2.7  0.155  no  n/a  limited  varies          
Amblygonite  Amblygonite  5.5-6  Li2Al  1.612-1.636  2.98-3.06  .02-.027  no  triclinic  scarce  green,yellow,pink,blue,brown          
Amber  Amber  2-2.5  Organic Resin  1.539-1.545  1.0-1.02  no  no  amorphous  limited to scarce  orange,red,green          
Actinolite  Actinolite  5-6  Ca2Si8O22  1.614-1.641  2.95-3.1  .022-.027  yes  monoclinic  limited to scarce  green, yellow, black          
Click on a Mineral Family or a Specific Mineral Variety Above for More Information.



Facet Rough
+ Recent Hand Select
+ Select by Mineral Family
+ Select by Origin Country
+ Select by Carat Weight
+ Select by Price
+ Select by Color
+ Synthetic Rough
+ Rough Clarity Chart
+ Facet Rough Overview

Faceting Tools
+ Ultra-Tec Facet Machine
+ Faceting Laps
+ Diamond Powders
+ Faceting Supplies

Gemology Tools
+ Gem Identification Tools
+ Hanneman Filters & Tools
+ Gem Scales
+ Gem Loupes
+ Gem Tweezers & Small Tools
+ Gem Calipers
+ Gem & Mineral Books

Mineral Specimens
+ Select by Mineral Family
+ Select by Carat Weight
+ Select by Price
+ Select by Color
+ Select All

Rockin' Gifts
+ Notecards & Gifts

Shopping Cart











For it is written: I will destroy the wisdom of the wise the intelligence of the intelligent I will frustrate. - 1 Corinthians 1:19 - Click for More
Recent Hand SelectSelect by Mineral FamilySelect by Origin CountrySelect by Carat WeightSelect by PriceSelect by Color
Rough Clarity ChartSynthetic RoughFacet Rough Overview 
Ultra-Tec Facet MachineFaceting LapsDiamond PowdersFaceting Supplies 
Gem Identification ToolsHanneman Filters & ToolsGem ScalesGem LoupesGem Tweezers & Small ToolsGem Calipers
Gem & Mineral Books 
Select by Mineral FamilySelect by Carat WeightSelect by PriceSelect by ColorSelect All 
Contact UsOrdering InfoShipping InfoPrintable Order FormFax Your Order!Link To Us
Wire Wrap RoughNotecards & GiftsShopping CartFree Gemology TutorialsSite Map 
10-day Money Back Guarantee
·Click for Details·		 PrettyRock.com
   © 20011 PrettyRock.com
Contact us! hey @ prettyrock.com 		Secure Ordering

·Click for Details·