swap_horiz Neptunite 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

8.12 Great

2

Zoisite

Zoisite is a calcium aluminum hydroxyl sorosilicate mineral belonging to the epidote group. It naturally occurs in a ran...

Collector Green Tanzania Silicate

8.05 Great

3

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

7.76 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

7.54 Good

5

Pezzottaite

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

Collector Rare Madagascar Beryl

7.48 Good

6

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

7.10 Good

7

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

7.04 Good

8

Phenakite

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

Collector Rare Colorless Silicate

7.03 Good

9

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

7.01 Good

10

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

6.86 Fair

11

Idocrase

Idocrase is the traditional name for vesuvianite, a calcium aluminum silicate mineral that commonly forms in skarn and o...

Collector Silicate Green Yellow Vesuvianite

6.73 Fair

12

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

6.66 Fair

13

Willemite

Willemite is a zinc silicate mineral with the chemical formula Zn2SiO4 and a minor source of zinc ore. It occurs in seve...

Zinc Collector Green Fluorescent

6.64 Fair

14

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

6.62 Fair

15

Sillimanite

Sillimanite is an aluminium silicate mineral with the chemical formula Al2SiO5, and one of three polymorphs that also in...

Blue Collector Rare Silicate

6.42 Fair

16

Scapolite Cat's Eye

Scapolite cat's eye is a chatoyant gemstone variety belonging to the scapolite mineral group. Its narrow, moving band of...

Collector Yellow Phenomenon Silicate

6.35 Fair

17

Herderite

Herderite is a calcium beryllium phosphate mineral in the apatite group, with the formula CaBe(PO4)(F,OH). It crystalliz...

Collector Rare Crystal Phosphate

6.31 Fair

18

Neptunite Cat's Eye

Neptunite is a sodium, lithium, iron, titanium, and silicate mineral known especially from San Benito County, California...

Collector Rare Black Red Silicate

5.54 Mediocre

19

Pumpellyite

Pumpellyite is a group of calcium, magnesium, aluminum, iron, and manganese silicate minerals formed mainly during low-g...

Collector Green Rare Metamorphic

5.12 Mediocre

20

Ekanite

Ekanite is a rare thorium-bearing calcium silicate mineral with the ideal formula Ca2ThSi8O20. It was first found in the...

Collector Green Rare Radioactive

4.20 Poor