# StiffValues

> Major-ion meq/L used by Piper, Stiff and facies (missing ions = 0).

> **StiffValues** = `object`

Major-ion meq/L used by Piper, Stiff and facies (missing ions = 0).

## Properties

### ca

> **ca**: `number`

***

### cl

> **cl**: `number`

***

### hco3\_co3

> **hco3\_co3**: `number`

***

### mg

> **mg**: `number`

***

### na\_k

> **na\_k**: `number`

***

### so4

> **so4**: `number`