swap_horiz Rubasse Alternatives

1

Andradite Garnet

Andradite is a calcium-iron nesosilicate mineral species belonging to the garnet group. It forms in contact metamorphic...

Collector Rare High Dispersion Garnet

8.1 Great

2

Indicolite

Indicolite is the name commonly applied to blue or blue-green specimens of elbaite, a mineral in the tourmaline group. I...

Blue Collector Vibrant Rare

7.8 Good

3

Pezzottaite

Pezzottaite is a rare mineral species recognized for its distinct raspberry-red to pink coloration, often utilized as a...

Collector Rare Madagascar Beryl

7.5 Good

4

Purple Sapphire

Purple sapphire is a colored variety of the mineral corundum, distinct from ruby by its specific hue. The gemstone achie...

Collector Jewelry Rare Purple

7.5 Good

5

Euclase

Euclase is a rare beryllium aluminum silicate mineral with the chemical formula BeAlSiO₄(OH). Its name derives from the...

Collector Rare Brazil Blue Green

7.1 Good

6

Phenakite

Phenakite, also spelled phenacite, is a beryllium silicate mineral with the chemical formula Be2SiO4. It commonly forms...

Collector Rare Colorless Silicate

7.0 Good

7

Brazilianite

Brazilianite is a sodium aluminium phosphate mineral with the chemical formula NaAl3(PO4)2(OH)4. It was recognized as a...

Collector Rare Brazil Phosphate

7.0 Good

8

Blue Amber

Blue amber is an uncommon variety of fossilized tree resin known for producing a blue or blue-green appearance under ult...

Organic Collector Rare Dominican Republic

7.0 Good

9

Topazolite Garnet

Topazolite is a yellow to greenish-yellow variety of andradite, a calcium-iron garnet. It is known from Alpine localitie...

Collector Rare Yellow Garnet

6.9 Fair

10

Hambergite

Hambergite is a rare beryllium borate mineral first described in 1883 by the Norwegian mineralogist W. C. Brøgger. It wa...

Collector Rare Colorless Borate

6.7 Fair

11

Iris Agate

Iris agate is a finely banded variety of agate, a form of chalcedony, whose microscopic layers can produce a rainbow eff...

Collector Rare Chalcedony Rainbow Diffraction

6.6 Fair

12

Sillimanite

Aluminum silicate mineral forming one of three polymorphs with andalusite and kyanite; gem-quality material occurs in Sr...

Blue Collector Rare Silicate

6.4 Fair

13

Neptunite

Potassium sodium lithium iron titanium silicate mineral forming black prismatic crystals with deep red internal color; f...

Collector California Rare Black Red

6.4 Fair

14

Herderite

Calcium beryllium phosphate mineral forming colorless to pale yellow crystals; rare gem-quality specimens occur in Minas...

Collector Rare Crystal Phosphate

6.3 Fair

15

Linarite

A copper lead sulfate hydroxide mineral regarded as one of the most intensely blue minerals known, forming deep azure pr...

Collector Deep Blue Rare Crystal

6.2 Fair

16

Cassiterite

Tin oxide (SnO₂) and the primary ore of tin, occasionally faceted as a collector's gem for its refractive index near 2.0...

Collector Rare Brown Oxide

6.1 Fair

17

Andesine

A plagioclase feldspar of the albite-anorthite series named after the Andes Mountains, occasionally displaying red-to-gr...

Collector Rare Color Change Feldspar

6.0 Fair

18

Mimetite

A lead chloro-arsenate of the apatite group named from the Greek for 'imitator' due to its resemblance to pyromorphite,...

Collector Rare Crystal Yellow Orange

6.0 Fair

19

Kornerupine Cat's Eye

Kornerupine cat's eye is a rare boro-silicate gemstone exhibiting chatoyancy, first discovered in 1884 in Greenland and...

Collector Jewelry Rare Chatoyant

5.8 Mediocre

20

Prase

A leek-green opaque quartz variety colored by chlorite or actinolite inclusions, known since ancient Greece and distinct...

Collector Rare Quartz Leek Green

5.6 Mediocre